RS Aggarwal Class 9 Solutions Congruence of Triangles and Inequalities in a Triangle

rs-aggarwal-class-9-solutions-congruence-of-triangles-and-inequalities-in-a-triangle-5a-q1

Question 2:

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Consider the isosceles triangle ∆ABC.

Since the vertical angle of ABC is 100° , we have, ∠A = 100°.

By angle sum property of a triangle, we have,

RS Aggarwal Class 9 Solut...nequalities in a Triangle
RS Aggarwal Class 9 Solut...nequalities in a Triangle