What is the measure of the vertex angle of an isosceles
triangle if the measure of one of its base angles is 42°?
A) 96°
B) 138
C) 69
D) 84

Respuesta :

Answer:

A) 96

Step-by-step explanation:

The 2 base angles are both 42* thus adding up to 84*. 180-84=96

You are welcome.

Answer:

96

Step-by-step explanation:

ACCESS MORE