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Ex 6.2, 5 - In figure, DE || OQ and DF || OR. Show EF || QR - Theorem 6.2

Ex 6.2, 5 - Chapter 6 Class 10 Triangles - Part 2


Transcript

Ex 6.2, 5 In figure, DE || OQ and DF || OR. Show that EF || QR. Given: DE II OQ and DF II OR To prove: EF II QR Proof: From (1) and (2) 𝑃𝐹/𝐹𝑅=𝑃𝐸/𝐸𝑄 In Ξ” PQR, 𝑃𝐹/𝐹𝑅=𝑃𝐸/𝐸𝑄 i.e. Line EF divides the triangle PQR in the same ratio ∴ EF II QR Hence proved

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.