Isosceles & equilateral triangles problems

Isosceles Triangle (Illustrated Math Dictionary)

What is an Isosceles Triangle? | Area of Isosceles Triangles

Vertex Angle of an Isosceles Triangle | Definition & Examples

Classification Of Triangles | Class 6 | Learn With BYJU'S

Isosceles Triangle Theorem - Proof, Converse, & Examples

Theorem 7.2 - Angle opposite to equal sides of a triangle are equal