{"id":27331,"date":"2021-06-30T14:41:10","date_gmt":"2021-06-30T09:11:10","guid":{"rendered":"https:\/\/mcq-questions.com\/?p=27331"},"modified":"2022-03-02T10:31:27","modified_gmt":"2022-03-02T05:01:27","slug":"ncert-solutions-for-class-7-maths-chapter-10-ex-10-4","status":"publish","type":"post","link":"https:\/\/mcq-questions.com\/ncert-solutions-for-class-7-maths-chapter-10-ex-10-4\/","title":{"rendered":"NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.4"},"content":{"rendered":"

These NCERT Solutions for Class 7 Maths<\/a> Chapter 10 Practical Geometry Ex 10.4 Questions and Answers are prepared by our highly skilled subject experts.<\/p>\n

NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Exercise 10.4<\/h2>\n

Question 1.
\nConstruct \u2206ABC given m\u2220A = 60\u00b0 , m \u2220B = 30 and AB = 5.8 cm.
\nAnswer:
\nSteps of Construction
\n(i) Draw a rough diagram with measures marked on it.
\n(ii) Draw a line segment AB = 5.8 cm.
\n(iii) Construct \u2220BAX = 60\u00b0 at A.
\n(iv) At B, construct \u2220ABY = 30\u00b0 .
\n\"NCERT
\n(v) Let the rays AX and BY intersect at C. Thus, \u2206ABC is the required triangle.<\/p>\n

\"NCERT<\/p>\n

Question 2.
\nConstruct \u2206PQR if PQ = 5 cm, m\u2220PQR = 105\u00b0 and m \u2220QRP = 40\u00b0.
\n(Hint : Recall angle-sum property of a triangle)
\nAnswer:
\nHere the line segment PQ is given. We can construct the triangle, if the measure of \u2220QPR is known.
\n\u2220QPR = 180\u00b0 – [\u2220PQR + \u2220QRP]
\n= 180\u00b0-(105\u00b0+ 40\u00b0)
\n= 180\u00b0 – 145\u00b0
\n\u2220QPR = 35\u00b0
\nSteps of Construction
\n\"NCERT
\n\"NCERT
\n(i) Draw a rough diagram with measures marked on it.
\n(ii) Draw a line, segment PQ = 5 cm.
\n(iii) At P, construct \u2220QPX = 35 .
\n(iv) At Q, construct \u2220PQY = 105 .
\n(v) Let the rays \\(\\overline{\\mathrm{PX}}\\) and \\(\\overline{\\mathrm{QY}}\\) intersect at R.
\nThus, \u2206PQR is the required triangle.<\/p>\n

\"NCERT<\/p>\n

Question 3.
\nExamine whether you can construct \u2206DEF such that EF = 7.2 cm, m\u2220E = 110 and m\u2220F = 80\u00b0. Justify your answer.
\nAnswer:
\nHere m\u2220E =110 and m\u2220F = 80\u00b0
\ni. e. m\u2220E + m\u2220F= 110\u00b0+ 80\u00b0= 190\u00b0>180\u00b0
\nSince, sum of the three angles of a triangle is 180\u00b0.
\n\u2206DEF is not possible, having sum of two angles > 180\u00b0
\nThus, \u2206DEF cannot be constructed.<\/p>\n","protected":false},"excerpt":{"rendered":"

These NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.4 Questions and Answers are prepared by our highly skilled subject experts. NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Exercise 10.4 Question 1. Construct \u2206ABC given m\u2220A = 60\u00b0 , m \u2220B = 30 and AB = 5.8 cm. Answer: …<\/p>\n

NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.4<\/span> Read More »<\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","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":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","spay_email":""},"categories":[9],"tags":[],"yoast_head":"\nNCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.4 - MCQ Questions<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-7-maths-chapter-10-ex-10-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.4 - MCQ Questions\" \/>\n<meta property=\"og:description\" content=\"These NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.4 Questions and Answers are prepared by our highly skilled subject experts. 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