Question

The angles opposite to equal sides of a triangle are equal

Answer 1

Answer:

Yes. in an Isoceles triangle angles opposite to equal sides of the triangle are equal.

Hope it helps.

Answer 2

Angles opposite to equal sides of a triangle are equal. Sides opposite to equal angles of a triangle are equal. Each angle of an equilateral triangle is of 60°. If three sides of one triangle are equal to three sides of the other triangle, then the two triangles are congruent (SSS Congruence Rule).