Question

Pqr is an isosceles triangle, if q is 60° then find angle p

Answer 1

In an isosceles triangle 2 sides are equal

therefore q=60° r=60°

In a triangle sum of all the angles of a triangle = 180°

p+q+r= 180°

p+60°+60°=180°

p+120°=180°

p=180°-120°

p=60°