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Chapter 7 Class 9 Triangles

Serial order wise

Last updated at May 29, 2023 by Teachoo

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.