The vertical angle A of an isosceles triangle Î”ABC is three times the angle B of it. The measure of the angle A is

The vertical angle A of an isosceles triangle Î”ABC is three times

1.	The vertical angle A of an isosceles triangle Î”ABC is three times the angle B of it. The measure of the angle A is
A.	90Â°
B.	108Â°
C.	100Â°
D.	36Â°
Answer» C. 100Â°