Question

if the angle at the vertex of an isosceles triangle is 38° , then find the measure of its base angles​.
what will be the answer?

Answer 1

Answer:

base angle = 71

Step-by-step explanation:

b + b + 38 = 180

2b + 38 = 180

2b = 180 - 38 = 142

b = 142/2

b    =  71