NCERT Solutions for Class 9 Maths in Hindi Medium<\/a>. Here we have given NCERT Solutions for Class 9 Maths Chapter 11 Constructions.<\/p>\n\u092a\u094d\u0930\u0936\u094d\u0928\u093e\u0935\u0932\u0940 11.1<\/strong><\/span><\/p>\nEx 11.1 Class 9 \u0917\u0923\u093f\u0924 \u092a\u094d\u0930\u0936\u094d\u0928 1. \u090f\u0915 \u0926\u0940 \u0939\u0941\u0908 \u0915\u093f\u0930\u0923 \u0915\u0947 \u092a\u094d\u0930\u093e\u0930\u092e\u094d\u092d\u093f\u0915 \u092c\u093f\u0928\u094d\u0926\u0941 \u092a\u0930 90\u00b0 \u0915\u0947 \u0915\u094b\u0923 \u0915\u0940 \u0930\u091a\u0928\u093e \u0915\u0940\u091c\u093f\u090f \u0914\u0930 \u0915\u093e\u0930\u0923 \u0938\u0939\u093f\u0924 \u0930\u091a\u0928\u093e \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0940\u091c\u093f\u090f\u0964<\/strong>
\n\u0939\u0932-<\/strong>
\n\u0926\u093f\u092f\u093e \u0939\u0948 :<\/strong> AB \u090f\u0915 \u0926\u0940 \u0939\u0941\u0908 \u0915\u093f\u0930\u0923 \u0939\u0948 \u091c\u093f\u0938\u0915\u093e \u092a\u094d\u0930\u093e\u0930\u092e\u094d\u092d\u093f\u0915 \u092c\u093f\u0928\u094d\u0926\u0941 A \u0939\u0948\u0964
\n\u0930\u091a\u0928\u093e \u0915\u0930\u0928\u0940 \u0939\u0948 :<\/strong> \u0915\u093f\u0930\u0923 AB \u0915\u0947 \u092c\u093f\u0928\u094d\u0926\u0941 A \u092a\u0930 90\u00b0 \u0915\u0947 \u0915\u094b\u0923 \u0915\u0940\u0964
\n\u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923 :<\/strong> \u0939\u092e 60\u00b0 \u0915\u093e \u0915\u094b\u0923 \u092c\u0928\u093e \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964 \u0907\u0938 \u0915\u094b\u0923 \u0915\u0947 \u0938\u093e\u0925 60\u00b0 \u0915\u094b \u090f\u0915 \u0938\u0902\u0932\u0917\u094d\u0928 \u0915\u094b\u0923 \u092c\u0928\u093e\u0915\u0930 \u0909\u0938\u0947 \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u093f\u0924 \u0915\u0930\u0947\u0902 \u0914\u0930 \u0907\u0938\u092e\u0947\u0902 \u091c\u094b\u0921\u093c \u0926\u0947\u0902 \u0924\u094b 90\u00b0 \u0915\u093e \u0915\u094b\u0923 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0917\u093e\u0964
\n
\n\u0930\u091a\u0928\u093e \u0915\u0947 \u092a\u0926 :<\/strong><\/p>\n\n- \u0938\u0930\u094d\u0935\u092a\u094d\u0930\u0925\u092e \u0915\u093f\u0930\u0923 AB \u0916\u0940\u0902\u091a\u0940\u0964<\/li>\n
- \u00a0\u092c\u093f\u0928\u094d\u0926\u0941 A \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u0915\u093f\u0938\u0940 \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0915\u093e \u091a\u093e\u092a \u0964 \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u0915\u093f\u0930\u0923 AB \u0915\u094b \u092c\u093f\u0928\u094d\u0926\u0941 P \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964<\/li>\n
- \u0905\u092c P \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u0909\u0938\u0940 \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0915\u093e \u090f\u0915 \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u092a\u0939\u0932\u0947 \u091a\u093e\u092a \u0915\u094b \u092c\u093f\u0928\u094d\u0926\u0941 Q \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964
\n\u0924\u092c, \u2220PAQ = 60\u00b0<\/li>\n - \u092a\u0941\u0928\u0903 Q \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u0909\u0938\u0940 (AP) \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0938\u0947 \u090f\u0915 \u0905\u0928\u094d\u092f \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u092a\u0939\u0932\u0947 \u091a\u093e\u092a \u0915\u094b \u092c\u093f\u0928\u094d\u0926\u0941 R \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964
\n\u0924\u092c \u2220QAR = 60\u00b0<\/li>\n - \u0905\u092c, \u092c\u093f\u0928\u094d\u0926\u0941 \u096f\u0924\u0925\u093e R \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u0947 \u091c\u094b \u092a\u0930\u0938\u094d\u092a\u0930 \u092c\u093f\u0928\u094d\u0926\u0941 C \u092a\u0930 \u0915\u093e\u091f\u0924\u0947 \u0939\u0948\u0902\u0964 \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 CA \u0916\u0940\u0902\u091a\u093e\u0964 \u2220CAQ = 30\u00b0 \u0939\u0948\u0964
\n\u0907\u0938 \u092a\u094d\u0930\u0915\u093e\u0930 \u2220CAB = 60\u00b0 + 30\u00b0 = 90\u00b0
\n\u0905\u0924: \u2220CAB \u0905\u092d\u0940\u0937\u094d\u091f \u0915\u094b\u0923 \u0939\u0948\u0964<\/li>\n<\/ol>\nEx 11.1 Class 9 \u0917\u0923\u093f\u0924\u00a0\u092a\u094d\u0930\u0936\u094d\u0928 2. \u090f\u0915 \u0926\u0940 \u0939\u0941\u0908 \u0915\u093f\u0930\u0923 \u0915\u0947 \u092a\u094d\u0930\u093e\u0930\u092e\u094d\u092d\u093f\u0915 \u092c\u093f\u0928\u094d\u0926\u0941 \u092a\u0930 45\u00b0 \u0915\u0947 \u0915\u094b\u0923 \u0915\u0940 \u0930\u091a\u0928\u093e \u0915\u0940\u091c\u093f\u090f \u0914\u0930 \u0915\u093e\u0930\u0923 \u0938\u0939\u093f\u0924 \u0930\u091a\u0928\u093e \u0915\u0940 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0940\u091c\u093f\u090f\u0964<\/strong>
\n\u0939\u0932-<\/strong>
\n\u0926\u093f\u092f\u093e \u0939\u0948 :<\/strong> OP \u090f\u0915 \u0926\u0940 \u0939\u0941\u0908 \u0915\u093f\u0930\u0923 \u0939\u0948 \u091c\u093f\u0938\u0915\u093e \u092a\u094d\u0930\u093e\u0930\u092e\u094d\u092d\u093f\u0915 \u092c\u093f\u0928\u094d\u0926\u0941 0 \u0939\u0948\u0964
\n\u0930\u091a\u0928\u093e \u0915\u0930\u0928\u0940 \u0939\u0948 :<\/strong> \u0915\u093f\u0930\u0923 OP \u0915\u0947 \u092c\u093f\u0928\u094d\u0926\u0941 0 \u092a\u0930 45\u00b0 \u0915\u0947 \u0915\u094b\u0923 \u0915\u0940\u0964
\n\u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923 :<\/strong> 45\u00b0 = \\(\\frac { 1 }{ 2 }\\) x 90\u00b0
\n\u0905\u0924\u0903 90\u00b0 \u0915\u093e \u0915\u094b\u0923 \u092c\u0928\u093e\u0915\u0930 \u0909\u0938\u0947 \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u093f\u0924 \u0915\u0930\u0915\u0947 45\u00b0 \u0915\u093e \u0915\u094b\u0923 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0917\u093e\u0964
\n
\n\u0930\u091a\u0928\u093e \u0915\u0947 \u092a\u0926 :<\/strong><\/p>\n\n- \u0938\u0930\u094d\u0935\u092a\u094d\u0930\u0925\u092e \u0915\u093f\u0930\u0923 OP \u0916\u0940\u0902\u091a\u0940\u0964<\/li>\n
- \u092c\u093f\u0928\u094d\u0926\u0941 O \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u0915\u093f\u0938\u0940 \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0915\u093e \u090f\u0915 \u091a\u093e\u092a \u0932\u0917\u093e\u092f\u093e \u091c\u094b \u0915\u093f\u0930\u0923 OP \u0915\u094b A \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964<\/li>\n
- \u092a\u0941\u0928\u0903 A \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u0909\u0938\u0940 \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0915\u093e \u090f\u0915 \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u092a\u0939\u0932\u0947 \u091a\u093e\u092a \u0915\u094b B \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964<\/li>\n
- B \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u0909\u0938\u0940 \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0915\u093e \u090f\u0915 \u0905\u0928\u094d\u092f \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 O \u0935\u093e\u0932\u0947 \u091a\u093e\u092a \u0915\u094b C \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964<\/li>\n
- \u0905\u092c, B \u0924\u0925\u093e C \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u0915\u093f\u0938\u0940 \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0915\u0947 \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u0947 \u091c\u094b \u092a\u0930\u0938\u094d\u092a\u0930 \u092c\u093f\u0928\u094d\u0926\u0941 R \u092a\u0930 \u0915\u093e\u091f\u0924\u0947 \u0939\u0948\u0902\u0964 \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 OR \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u091a\u093e\u092a BC \u0915\u094b D \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964 \u0924\u092c, \u2220POR = 90\u00b0<\/li>\n
- \u092c\u093f\u0928\u094d\u0926\u0941\u0913\u0902 A \u0924\u0925\u093e D \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u0915\u093f\u0938\u0940 \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0915\u0947 \u0926\u094b \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u0947 \u091c\u094b \u092a\u0930\u0938\u094d\u092a\u0930 \u092c\u093f\u0928\u094d\u0926\u0941 Q \u092a\u0930 \u0915\u093e\u091f\u0924\u0947 \u0939\u0948\u0902\u0964 \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 OQ \u0916\u0940\u0902\u091a\u093e\u0964 \u2220POQ = 45\u00b0 \u0915\u094d\u092f\u094b\u0915\u093f OQ \u2220POR = 90\u00b0 \u0915\u093e \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 \u0939\u0948\u0964
\n\u0905\u0924: \u2220POQ \u0905\u092d\u0940\u0937\u094d\u091f \u0915\u094b\u0923 \u0939\u0948\u0964<\/li>\n<\/ol>\nEx 11.1 Class 9 \u0917\u0923\u093f\u0924\u00a0\u092a\u094d\u0930\u0936\u094d\u0928 3. \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u093e\u092a\u094b\u0902 \u0915\u0947 \u0915\u094b\u0923\u094b\u0902 \u0915\u0940 \u0930\u091a\u0928\u093e \u0915\u0940\u091c\u093f\u090f :<\/strong>
\n(i) 30\u00b0<\/strong>
\n(ii) 22\\(\\frac { 1 }{ 2 }\\)\u00b0<\/strong>
\n(iii) 15\u00b0<\/strong>
\n\u0939\u0932-<\/strong>
\n(i) \u0930\u091a\u0928\u093e \u0915\u0930\u0928\u0940 \u0939\u0948 :<\/strong> 30\u00b0 \u0915\u0947 \u0915\u094b\u0923 \u0915\u0940\u0964
\n\u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923 :<\/strong> 30\u00b0 = \\(\\frac { 1 }{ 2 }\\) x 60\u00b0
\n
\n\u0930\u091a\u0928\u093e \u0915\u0947 \u092a\u0926 :<\/strong><\/p>\n\n- \u090f\u0915 \u0915\u093f\u0930\u0923 \\(\\overset { \\rightarrow }{ OA }\\) \u0916\u0940\u0902\u091a\u0940\u0964<\/li>\n
- \u0915\u093f\u0930\u0923 \\(\\overset { \\rightarrow }{ OA }\\) \u0915\u0947 \u0905\u0928\u094d\u0924\u094d\u092f \u092c\u093f\u0928\u094d\u0926\u0941 0 \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u0915\u094b\u0908 \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e OB \u0932\u0947\u0915\u0930 \u090f\u0915 \u091a\u093e\u092a \u0932\u0917\u093e\u092f\u093e\u0964<\/li>\n
- \u0905\u092c B \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u0909\u0938\u0940 \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0938\u0947 \u090f\u0915 \u0905\u0928\u094d\u092f \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u092a\u0939\u0932\u0947 \u091a\u093e\u092a \u0915\u094b \u092c\u093f\u0928\u094d\u0926\u0941 C \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964
\n\u0924\u092c, \u2220AOC = 60\u00b0<\/li>\n - \u2220AOC \u0915\u093e \u0905\u0930\u094d\u0927\u0915 (\u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915) OD \u0916\u0940\u0902\u091a\u093e\u0964
\n\u0905\u0924: \u2220AOD = 30\u00b0 \u091c\u094b \u0915\u093f \u0905\u092d\u0940\u0937\u094d\u091f \u0915\u094b\u0923 \u0939\u0948\u0964<\/li>\n<\/ol>\n(ii) \u0930\u091a\u0928\u093e \u0915\u0930\u0928\u0940 \u0939\u0948 :<\/strong> 22\\(\\frac { 1 }{ 2 }\\)\u00b0 \u0915\u0947 \u0915\u094b\u0923 \u0915\u0940\u0964
\n\u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923 :<\/strong> 90\u00b0 \u0915\u0947 \u0915\u094b\u0923 \u0915\u093e \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 \u0916\u0940\u0902\u091a\u0928\u0947 \u092a\u0930 45\u00b0 \u0915\u093e \u0915\u094b\u0923 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948 \u0914\u0930 \u0907\u0938 45\u00b0 \u0915\u0947 \u0915\u094b\u0923 \u0915\u093e \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 \u0916\u0940\u0902\u091a\u0928\u0947 \u092a\u0930 22\\(\\frac { 1 }{ 2 }\\)\u00b0\u0915\u093e \u0915\u094b\u0923 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0917\u093e\u0964
\n
\n\u0930\u091a\u0928\u093e \u0915\u0947 \u092a\u0926<\/strong> :<\/p>\n\n- \u090f\u0915 \u0915\u093f\u0930\u0923 \\(\\overset { \\rightarrow }{ OA }\\) \u0916\u0940\u0902\u091a\u0940\u0964<\/li>\n
- \u0915\u093f\u0930\u0923 \\(\\overset { \\rightarrow }{ OA }\\) \u0915\u0947 \u0905\u0928\u094d\u0924\u094d\u092f \u092c\u093f\u0928\u094d\u0926\u0941 O \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 OP \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0915\u093e \u090f\u0915 \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u0915\u093f\u0930\u0923 \\(\\overset { \\rightarrow }{ OA }\\) \u0915\u094b \u092c\u093f\u0928\u094d\u0926\u0941 P \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964<\/li>\n
- P \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 OP \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0938\u0947 \u090f\u0915 \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u092a\u0939\u0932\u0947 \u091a\u093e\u092a \u0915\u094b Q \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964<\/li>\n
- Q \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u0909\u0938\u0940 OP \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0915\u093e \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u091a\u093e\u092a PQ \u0915\u094b R \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964<\/li>\n
- Q \u0914\u0930 R \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 \u091a\u093e\u092a \u0916\u0940\u0902\u091a\u0947 \u091c\u094b \u092a\u0930\u0938\u094d\u092a\u0930 T \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964 \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 OT \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u091a\u093e\u092a PQR \u0915\u094b S \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964
\n\u0924\u092c, \u2220AOT = 90\u00b0<\/li>\n - \u2220AOT \u0915\u093e \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 OC \u0916\u0940\u0902\u091a\u093e\u0964 \u0924\u092c \u2220AOC = 45\u00b0<\/li>\n
- \u2220AOC \u0915\u093e \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 OB \u0916\u0940\u0902\u091a\u093e\u0964
\n\u0905\u0924: \u2220AOB = 22\\(\\frac { 1 }{ 2 }\\)\u00b0\u091c\u094b \u0915\u093f \u0905\u092d\u0940\u0937\u094d\u091f \u0915\u094b\u0923 \u0939\u0948\u0964<\/li>\n<\/ol>\n(iii) \u0930\u091a\u0928\u093e \u0915\u0930\u0928\u0940 \u0939\u0948 :<\/strong> 15\u00b0 \u0915\u0947 \u0915\u094b\u0923 \u0915\u0940\u0964
\n\u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923 :<\/strong> 60\u00b0 \u0915\u0947 \u0915\u094b\u0923 \u0915\u093e \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 30\u00b0 \u0915\u093e \u0915\u094b\u0923 \u092c\u0928\u093e\u092f\u093e\u0964 \u0905\u092c 30\u00b0 \u0915\u0947 \u0915\u094b\u0923 \u0915\u093e \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 15\u0915\u093e \u0915\u094b\u0923 \u092c\u0928\u093e\u092f\u093e\u0964
\n
\n\u0930\u091a\u0928\u093e \u0915\u0947 \u092a\u0926 :<\/strong><\/p>\n\n- \u0915\u093f\u0930\u0923 \\(\\overset { \\rightarrow }{ OA }\\) \u0915\u0947 \u0905\u0928\u094d\u0924\u094d\u092f \u092c\u093f\u0928\u094d\u0926\u0941 O \u0938\u0947 \u0915\u093f\u0930\u0923 \\(\\overset { \\rightarrow }{ OA }\\) \u092a\u0930 \u2220AOC = 60\u00b0 \u0907\u0938 \u092a\u094d\u0930\u0936\u094d\u0928 \u0915\u0947 \u0916\u0923\u094d\u0921\u0947 (i) \u092e\u0947\u0902 \u0935\u0930\u094d\u0923\u093f\u0924 \u0935\u093f\u0927\u093f \u0938\u0947 \u092c\u0928\u093e\u092f\u093e\u0964<\/li>\n
- \u2220AOC \u0915\u093e \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 OD \u0916\u0940\u0902\u091a\u093e\u0964 \u2220AOD = 30\u00b0 \u0939\u0948\u0964<\/li>\n
- \u0905\u092c \u2220AOD \u0915\u093e \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 OE \u0916\u0940\u0902\u091a\u093e\u0964
\n\u0924\u092c \u2220AOE = 15\u00b0 \u091c\u094b \u0915\u093f \u0905\u092d\u0940\u0937\u094d\u091f \u0915\u094b\u0923 \u0939\u0948\u0964<\/li>\n<\/ol>\nEx 11.1 Class 9 \u0917\u0923\u093f\u0924\u00a0\u092a\u094d\u0930\u0936\u094d\u0928 4. \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0915\u094b\u0923\u094b\u0902 \u0915\u0940 \u0930\u091a\u0928\u093e \u0915\u0940\u091c\u093f\u090f \u0914\u0930 \u091a\u093e\u0901\u0926\u0947 \u0926\u094d\u0935\u093e\u0930\u093e \u092e\u093e\u092a\u0915\u0930 \u092a\u0941\u0937\u094d\u091f\u093f \u0915\u0940\u091c\u093f\u090f :<\/strong>
\n(i) 75\u00b0<\/strong>
\n(ii) 105\u00b0<\/strong>
\n(iii) 135\u00b0<\/strong>
\n
\n<\/p>\nEx 11.1 Class 9 \u0917\u0923\u093f\u0924\u00a0\u092a\u094d\u0930\u0936\u094d\u0928 5. \u090f\u0915 \u0938\u092e\u092c\u093e\u0939\u0941 \u0924\u094d\u0930\u093f\u092d\u0941\u091c \u0915\u0940 \u0930\u091a\u0928\u093e \u0915\u0940\u091c\u093f\u090f, \u091c\u092c \u0907\u0938\u0915\u0940 \u092d\u0941\u091c\u093e \u0926\u0940 \u0939\u094b \u0924\u0925\u093e \u0915\u093e\u0930\u0923 \u0938\u0939\u093f\u0924 \u0930\u091a\u0928\u093e \u0915\u0940\u091c\u093f\u090f\u0964<\/strong>
\n\u0939\u0932-<\/strong>
\n\u0926\u093f\u092f\u093e \u0939\u0948 :<\/strong> ‘\u0938\u092e\u092c\u093e\u0939\u0941 \u0924\u094d\u0930\u093f\u092d\u0941\u091c ABC \u0915\u0940 \u092d\u0941\u091c\u093e BC\u0964
\n\u0930\u091a\u0928\u093e \u0915\u0930\u0928\u0940 \u0939\u0948 :<\/strong> \u0938\u092e\u092c\u093e\u0939\u0941 \u0924\u094d\u0930\u093f\u092d\u0941\u091c ABC \u0915\u0940\u0964
\n
\n\u0930\u091a\u0928\u093e \u0915\u0947 \u092a\u0926 :<\/strong><\/p>\n\n- \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 BC \u0926\u0940 \u0917\u0908 \u092e\u093e\u092a \u0915\u093e \u0916\u0940\u0902\u091a\u093e\u0964<\/li>\n
- B \u0924\u0925\u093e C \u0915\u094b \u0915\u0947\u0928\u094d\u0926\u094d\u0930 \u092e\u093e\u0928\u0915\u0930 BC \u0924\u094d\u0930\u093f\u091c\u094d\u092f\u093e \u0915\u0947 \u0926\u094b \u091a\u093e\u092a \u0932\u0917\u093e\u090f \u091c\u094b \u092a\u0930\u0938\u094d\u092a\u0930 \u092c\u093f\u0928\u094d\u0926\u0941 A \u092a\u0930 \u0915\u093e\u091f\u0924\u0947 \u0939\u0948\u0902\u0964<\/li>\n
- \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 AB \u0924\u0925\u093e AC \u0915\u094b \u092e\u093f\u0932\u093e\u092f\u093e\u0964 \u2206ABC \u0905\u092d\u0940\u0937\u094d\u091f \u0938\u092e\u092c\u093e\u0939\u0941 \u0924\u094d\u0930\u093f\u092d\u0941\u091c \u0939\u0948\u0964<\/li>\n<\/ol>\n
\u0909\u092a\u092a\u0924\u094d\u0924\u093f :<\/strong> AB = BC \u0914\u0930 AC = BC
\nAB = BC = AC
\n\u0924\u094d\u0930\u093f\u092d\u0941\u091c ABC \u0938\u092e\u092c\u093e\u0939\u0941 \u0939\u0940 \u0939\u0948\u0964<\/p>\n\u092a\u094d\u0930\u0936\u094d\u0928\u093e\u0935\u0932\u0940 11.2<\/strong><\/span><\/p>\nEx 11.2 Class 9 \u0917\u0923\u093f\u0924 \u092a\u094d\u0930\u0936\u094d\u0928 1. \u090f\u0915 \u0924\u094d\u0930\u093f\u092d\u0941\u091c ABC \u0915\u0940 \u0930\u091a\u0928\u093e \u0915\u0940\u091c\u093f\u090f \u091c\u093f\u0938\u092e\u0947\u0902 BC = 7 \u0938\u0947\u092e\u0940, \u2220B = 75\u00b0 \u0914\u0930 AB + AC = 13 \u0938\u0947\u092e\u0940 \u0939\u094b\u0964<\/strong>
\n\u0939\u0932-<\/strong>
\n\u0926\u093f\u092f\u093e \u0939\u0948 :<\/strong> \u2206ABC \u092e\u0947\u0902 BC = 7 \u0938\u0947\u092e\u0940, \u2220B = 75\u00b0 \u0914\u0930 AB + AC = 13 \u0938\u0947\u092e\u0940 \u0939\u0948\u0964
\n\u0930\u091a\u0928\u093e \u0915\u0930\u0928\u0940 \u0939\u0948 :<\/strong> \u0909\u092a\u0930\u094d\u092f\u0941\u0915\u094d\u0924 \u2206ABC \u0915\u0940\u0964
\n
\n\u0930\u091a\u0928\u093e \u0915\u0947 \u092a\u0926 :<\/strong><\/p>\n\n- \u090f\u0915 \u0915\u093f\u0930\u0923 BX \u0916\u0940\u0902\u091a\u0915\u0930 \u0909\u0938\u092e\u0947\u0902 \u0938\u0947 \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 BC = 7.0 \u0938\u0947\u092e\u0940 \u0915\u093e\u091f\u093e\u0964<\/li>\n
- BC \u0915\u0947 \u092c\u093f\u0928\u094d\u0926\u0941 B \u0938\u0947 BC \u092a\u0930 \u2220CBY = 75\u00b0 \u092c\u0928\u093e\u092f\u093e\u0964<\/li>\n
- BY \u092e\u0947\u0902 \u0938\u0947 BD = 13 \u0938\u0947\u092e\u0940 \u0915\u093e\u091f\u093e\u0964<\/li>\n
- CD \u0915\u094b \u092e\u093f\u0932\u093e\u092f\u093e \u0914\u0930 \u0909\u0938\u0915\u093e \u0932\u092e\u094d\u092c \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 \u0916\u0940\u0902\u091a\u093e \u091c\u093f\u0938\u0928\u0947 BD \u0915\u094b \u092c\u093f\u0928\u094d\u0926\u0941 A \u092a\u0930 \u0915\u093e\u091f\u093e\u0964<\/li>\n
- \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 AC \u0916\u0940\u0902\u091a\u093e\u0964
\n\u2206ABC \u0905\u092d\u0940\u0937\u094d\u091f \u0924\u094d\u0930\u093f\u092d\u0941\u091c \u0939\u0948\u0964<\/li>\n<\/ol>\nEx 11.2 Class 9 \u0917\u0923\u093f\u0924\u00a0\u092a\u094d\u0930\u0936\u094d\u0928 2. \u090f\u0915 \u0924\u094d\u0930\u093f\u092d\u0941\u091c ABC \u0915\u0940 \u0930\u091a\u0928\u093e \u0915\u0940\u091c\u093f\u090f \u091c\u093f\u0938\u092e\u0947\u0902 BC = 8 \u0938\u0947\u092e\u0940, \u2220B = 45\u00b0 \u0914\u0930 AB – AC = 3.5 \u0938\u0947\u092e\u0940 \u0939\u094b\u0964<\/strong>
\n\u0939\u0932-<\/strong>
\n\u0926\u093f\u092f\u093e \u0939\u0948:<\/strong> ABC \u090f\u0915 \u0924\u094d\u0930\u093f\u092d\u0941\u091c \u0939\u0948 \u091c\u093f\u0938\u092e\u0947\u0902 BC = 8 \u0938\u0947\u092e\u0940, \u2220B = 45\u00b0 \u0935\u0947 AB – AC = 3.5 \u0938\u0947\u092e\u0940 \u0939\u0948\u0964
\n\u0930\u091a\u0928\u093e \u0915\u0930\u0928\u0940 \u0939\u0948 :<\/strong> \u0909\u092a\u0930\u094d\u092f\u0941\u0915\u094d\u0924 \u2206ABC \u0915\u0940\u0964
\n
\n\u0930\u091a\u0928\u093e \u0915\u0947 \u092a\u0926 :<\/strong><\/p>\n\n- \u090f\u0915 \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 BC = 80 \u0938\u0947\u092e\u0940 \u0916\u0940\u0902\u091a\u093e\u0964<\/li>\n
- \u092c\u093f\u0928\u094d\u0926\u0941 B \u0938\u0947 BC \u092a\u0930 \u2220XBC = 45\u00b0 \u092c\u0928\u093e\u092f\u093e\u0964<\/li>\n
- BX \u092e\u0947\u0902 \u0938\u0947 BD = 3.5 \u0938\u0947\u092e\u0940 \u0915\u093e\u091f\u093e\u0964<\/li>\n
- CD \u0915\u094b \u092e\u093f\u0932\u093e\u092f\u093e\u0964<\/li>\n
- CD \u0915\u094b \u0932\u092e\u094d\u092c \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 \u0916\u0940\u0902\u091a\u093e \u091c\u094b \u092c\u0922\u093c\u0940 \u0939\u0941\u0908 BD \u0915\u094b A \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964<\/li>\n
- AC \u0915\u094b \u092e\u093f\u0932\u093e\u092f\u093e\u0964
\n\u2206ABC \u0905\u092d\u0940\u0937\u094d\u091f \u0924\u094d\u0930\u093f\u092d\u0941\u091c \u0939\u0948\u0964<\/li>\n<\/ol>\nEx 11.2 Class 9 \u0917\u0923\u093f\u0924\u00a0\u092a\u094d\u0930\u0936\u094d\u0928 3. \u090f\u0915 \u0924\u094d\u0930\u093f\u092d\u0941\u091c PQR \u0915\u0940 \u0930\u091a\u0928\u093e \u0915\u0940\u091c\u093f\u090f \u091c\u093f\u0938\u092e\u0947\u0902 QR = 6 \u0938\u0947\u092e\u0940, \u2220Q = 60\u00b0 \u0914\u0930 PR – PQ = 2 \u0938\u0947\u092e\u0940 \u0939\u094b\u0964<\/strong>
\n\u0939\u0932-<\/strong>
\n\u0926\u093f\u092f\u093e \u0939\u0948:<\/strong>\u00a0 \u2206PVR \u092e\u0947\u0902, QR = 6 \u0938\u0947\u092e\u0940, \u2220Q = 60\u00b0 \u092d\u0941\u091c\u093e PQ < PR \u0914\u0930 PR – PQ = 2 \u0938\u0947\u092e\u0940 \u0939\u0948\u0964
\n
\n\u0930\u091a\u0928\u093e \u0915\u0947 \u092a\u0926 :<\/strong><\/p>\n\n- \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 QR = 6 \u0938\u0947\u092e\u0940 \u0916\u0940\u0902\u091a\u093e\u0964<\/li>\n
- Q \u0938\u0947 QR \u092a\u0930 \u2220XQR = 60\u00b0 \u092c\u0928\u093e\u092f\u093e\u0964<\/li>\n
- XQ \u0915\u094b \u0906\u0917\u0947 \u092c\u0922\u093c\u093e\u092f\u093e \u0914\u0930 \u0909\u0938\u092e\u0947\u0902 \u0938\u0947 QS = (PR – PQ) \u092f\u093e 2 \u0938\u0947\u092e\u0940 \u0915\u093e\u091f \u0932\u093f\u092f\u093e\u0964<\/li>\n
- SR \u0915\u094b \u092e\u093f\u0932\u093e\u092f\u093e\u0964<\/li>\n
- SR \u0915\u093e \u0932\u092e\u094d\u092c \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 \u0916\u0940\u0902\u091a\u093e \u091c\u094b OX \u0915\u094b P \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964<\/li>\n
- \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 PR \u0916\u0940\u0902\u091a\u093e\u0964
\n\u0905\u0924: \u2206PQR \u0905\u092d\u0940\u0937\u094d\u091f \u0924\u094d\u0930\u093f\u092d\u0941\u091c \u0939\u0948\u0964<\/li>\n<\/ol>\nEx 11.2 Class 9 \u0917\u0923\u093f\u0924\u00a0\u092a\u094d\u0930\u0936\u094d\u0928 4. \u090f\u0915 \u0924\u094d\u0930\u093f\u092d\u0941\u091c XYZ \u0915\u0940 \u0930\u091a\u0928\u093e \u0915\u0940\u091c\u093f\u090f, \u091c\u093f\u0938\u092e\u0947\u0902 \u2220Y = 30\u00b0, \u2220Z = 90\u00b0 \u0914\u0930 XY + YZ + ZX = 11 \u0938\u0947\u092e\u0940 \u0939\u094b\u0964<\/strong>
\n\u0939\u0932-<\/strong>
\n\u0926\u093f\u092f\u093e \u0939\u0948 :<\/strong> \u2206XYZ \u092e\u0947\u0902, \u2220Y = 30\u00b0, \u2220Z = 90\u00b0 \u0939\u0948 \u0924\u0925\u093e XY + YZ + ZX = 11 \u0938\u0947\u092e\u0940 \u0939\u0948\u0964
\n\u0930\u091a\u0928\u093e \u0915\u0930\u0928\u0940 \u0939\u0948 :<\/strong> \u0909\u092a\u0930\u094d\u092f\u0941\u0915\u094d\u0924 \u2206XYZ \u0915\u0940\u0964
\n\u0930\u091a\u0928\u093e \u0915\u0947 \u092a\u0926 :<\/strong><\/p>\n\n- \u0924\u094d\u0930\u093f\u092d\u0941\u091c \u0915\u0947 \u092a\u0930\u093f\u092e\u093e\u092a (XY + YZ + ZX) = 11 \u0938\u0947\u092e\u0940 \u0915\u0947 \u092c\u0930\u093e\u092c\u0930 \u092e\u093e\u092a \u0915\u093e \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 PQ \u0916\u0940\u0902\u091a\u093e\u0964<\/li>\n
- P \u092a\u0930 \u2220RPQ = 30\u00b0 \u0935 Q \u092a\u0930 \u2220SQP = 90\u00b0 \u0926\u093f\u090f \u0939\u0941\u090f \u0906\u0927\u093e\u0930 \u0915\u094b\u0923 \u092c\u0928\u093e\u090f\u0964<\/li>\n
- RPQ \u0935 \u2220SQP \u0915\u0947 \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 \u0916\u0940\u0902\u091a\u0947 \u091c\u094b \u092a\u0930\u0938\u094d\u092a\u0930 \u0936\u0940\u0930\u094d\u0937 X \u092a\u0930 \u0915\u093e\u091f\u0924\u0947 \u0939\u0948\u0902\u0964
\n<\/li>\n - PX \u0915\u093e \u0932\u092e\u094d\u092c \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 \u0916\u0940\u0902\u091a\u093e \u091c\u094b PQ \u0915\u094b Y \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964<\/li>\n
- QX \u0915\u093e \u0932\u092e\u094d\u092c \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 \u0916\u0940\u0902\u091a\u093e \u091c\u094b PQ \u0915\u094b Z \u092a\u0930 \u0915\u093e\u091f\u0924\u093e \u0939\u0948\u0964<\/li>\n
- XY \u0914\u0930 XZ \u0915\u094b \u092e\u093f\u0932\u093e\u092f\u093e\u0964
\n\u0905\u0924: \u2206XYZ \u0905\u092d\u0940\u0937\u094d\u091f \u0924\u094d\u0930\u093f\u092d\u0941\u091c \u0939\u0948\u0964<\/li>\n<\/ol>\nEx 11.2 Class 9 \u0917\u0923\u093f\u0924\u00a0\u092a\u094d\u0930\u0936\u094d\u0928 5. \u090f\u0915 \u0938\u092e\u0915\u094b\u0923 \u0924\u094d\u0930\u093f\u092d\u0941\u091c \u0915\u0940 \u0930\u091a\u0928\u093e \u0915\u0940\u091c\u093f\u090f \u091c\u093f\u0938\u0915\u093e \u0906\u0927\u093e\u0930 12 \u0938\u0947\u092e\u0940 \u0914\u0930 \u0915\u0930\u094d\u0923 \u0935 \u0905\u0928\u094d\u092f \u092d\u0941\u091c\u093e \u0915\u093e \u092f\u094b\u0917 18 \u0938\u0947\u092e\u0940 \u0939\u094b\u0964<\/strong>
\n\u0939\u0932-<\/strong>
\n\u0926\u093f\u092f\u093e \u0939\u0948 :<\/strong> \u0938\u092e\u0915\u094b\u0923 \u2206ABC \u092e\u0947\u0902 \u0906\u0927\u093e\u0930 BC = 12 \u0938\u0947\u092e\u0940, \u2220C = 90\u00b0 \u0924\u0925\u093e \u0915\u0930\u094d\u0923 AB \u0935 \u090f\u0915 \u0905\u0928\u094d\u092f\u0964 \u092d\u0941\u091c\u093e AC \u0915\u093e \u092f\u094b\u0917 18 \u0938\u0947\u092e\u0940 \u0939\u094b\u0964
\n\u0930\u091a\u0928\u093e \u0915\u0930\u0928\u0940 \u0939\u0948 :<\/strong> \u0909\u092a\u0930\u094d\u092f\u0941\u0915\u094d\u0924 \u0938\u092e\u0915\u094b\u0923 \u2206ABC \u0915\u0940\u0964
\n
\n\u0930\u091a\u0928\u093e :<\/strong><\/p>\n\n- \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 BC = 12 \u0938\u0947\u092e\u0940 \u0916\u0940\u0902\u091a\u093e\u0964<\/li>\n
- \u092c\u093f\u0928\u094d\u0926\u0941 C \u0938\u0947 BC \u092a\u0930 \u2220BCX = 90\u00b0 \u092c\u0928\u093e\u092f\u093e\u0964<\/li>\n
- CX \u092e\u0947\u0902 \u0938\u0947 CD = (AB + AC) = 18 \u0938\u0947\u092e\u0940 \u0915\u093e\u091f \u0932\u093f\u092f\u093e\u0964<\/li>\n
- \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 BD \u0916\u0940\u0902\u091a\u093e\u0964<\/li>\n
- BD \u0915\u093e \u0932\u092e\u094d\u092c \u0938\u092e\u0926\u094d\u0935\u093f\u092d\u093e\u091c\u0915 \u0916\u0940\u0902\u091a\u093e \u091c\u093f\u0938\u0928\u0947 CD \u0915\u094b \u092c\u093f\u0928\u094d\u0926\u0941 A \u092a\u0930 \u0915\u093e\u091f\u093e\u0964<\/li>\n
- \u0930\u0947\u0916\u093e\u0916\u0923\u094d\u0921 AB \u0916\u0940\u0902\u091a\u093e\u0964
\n\u0905\u0924: \u2206ABC \u0905\u092d\u0940\u0937\u094d\u091f \u0924\u094d\u0930\u093f\u092d\u0941\u091c \u0939\u0948\u0964<\/li>\n<\/ol>\nHope given NCERT Solutions for Class 9 Maths Chapter 11 are helpful to complete your homework.<\/p>\n","protected":false},"excerpt":{"rendered":"
NCERT Solutions for Class 9 Maths Chapter 11 Constructions (Hindi Medium) These Solutions are part of NCERT Solutions for Class 9 Maths in Hindi Medium. Here we have given NCERT Solutions for Class 9 Maths Chapter 11 Constructions. \u092a\u094d\u0930\u0936\u094d\u0928\u093e\u0935\u0932\u0940 11.1 Ex 11.1 Class 9 \u0917\u0923\u093f\u0924 \u092a\u094d\u0930\u0936\u094d\u0928 1. \u090f\u0915 \u0926\u0940 \u0939\u0941\u0908 \u0915\u093f\u0930\u0923 \u0915\u0947 \u092a\u094d\u0930\u093e\u0930\u092e\u094d\u092d\u093f\u0915 \u092c\u093f\u0928\u094d\u0926\u0941 \u092a\u0930 …<\/p>\n
NCERT Solutions for Class 9 Maths Chapter 11 Constructions (Hindi Medium)<\/span> Read More »<\/a><\/p>\n","protected":false},"author":9,"featured_media":7729,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","spay_email":""},"categories":[6],"tags":[27,26,28,24,25],"yoast_head":"\nNCERT Solutions for Class 9 Maths Chapter 11 Constructions (Hindi Medium) - MCQ Questions<\/title>\n\n\n\n\n\n\n\n\n\n\n\n\n\t\n\t\n\n\n\n\n\t\n\t\n\t\n