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Theorem 7.7 - Chapter 7 Class 9 Triangles (Term 1)

Last updated at March 23, 2023 by

Theorem 7.7 - Class 9 - Side opposite to greater angle is longer.jpg


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Theorem 7.7 :- In any triangle, the side opposite to the larger (greater) angle is longer. Given :- ABC such that C > B . To Prove :- AB > AC . Proof:- Let us assume AC > AB, then B > C Which contradicts our assumptions Hence AB > AC 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 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.