Question

In the given figure, p°=q°=r°, find each.

Answer 1

p+q+r=180°(linear pair)
p+p+p=180°(p,q and r are equal)
3p=180°
p=60°

Therefore measure of all the angles is 60°

Answer 2

P+q+r=180°. (angles in linear pair)
As p=q=r
p=q=r=180/3 =60°
Hope it helps!