Question

An exterior angle of a triangle is 105° and its two interior opposite angles are equal. Each of these equal angles is_______ (a) 37 ½° (b) 52 ½° (c)72 ½° (d) 75°

Answer 1

Answer:

exterior angle = angle 1+angle 2

angle 1= angle 2

105 = 2×angle1

angle 1=105/2

angle 1 = angle 2 = 52 ½°