In an isosceles triangle, if the two bottom angles = 15°, then the third angle would equal? A) 60° B) 30° C) 75° D) 150

Question

In an isosceles triangle, if the two bottom angles = 15°, then the third angle would equal?

1. 60°                              
2. 30°                          
3. 75°           
4. 150°

Answer 1

Since each of equal angles is 15,

third angle = 180 - (15 + 15)

                 = 150

D