Check sibling questions

Ex 6.2, 3 - In figure, if LM || CB and LN || CD, prove - Theorem 6.1

Ex 6.2, 3 - Chapter 6 Class 10 Triangles - Part 2


Transcript

Ex 6.2,3 In figure, if LM || CB and LN || CD, prove that 𝐴𝑀/𝐴𝐵 = 𝐴𝑁/𝐴𝐷 Given: LM II CB And LN II CD To prove: 𝐴𝑀/𝐴𝐵 = 𝐴𝑁/𝐴𝐷 Proof: From (1) & (2) 𝐴𝑀/𝑀𝐵 = 𝐴𝑁/𝑁𝐷 𝑀𝐵/𝐴𝑀 = 𝑁𝐷/𝐴𝑁 Adding 1 on both sides 𝑀𝐵/𝐴𝑀 + 1 = 𝑁𝐷/𝐴𝑁 + 1 (𝑀𝐵 + 𝐴𝑀)/𝐴𝑀 =(𝑁𝐷 + 𝐴𝑁)/𝐴𝑁 𝐴𝐵/𝐴𝑀 =𝐴𝐷/𝐴𝑁 𝐴𝑀/𝐴𝐵=𝐴𝑁/𝐴𝐷 Hence proved

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Davneet Singh

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.