Question

What is M A ?

A. 42

B. 50

C. 58

D. 100


I think its a or c not sure tho

Answer 1

THE ANSWER IS 58

Explanation:

HOPE IT HELPS:)

Answer 2

Angle A = 58

Explanation:

The exterior angle of a triangle is equal to the sum of the opposite interior angles

? + 80 = 138

Subtract 80 from each side

? + 80-80 =138 - 80

? = 58

Angle A = 58