Question

B
(3y + 11)
116°
4y
р с
А
Find the measure of ZA.
mZA

Answer 1

an exterior angle is equal to the sum of the two opposite interior angles.

3y + 11 + 4y = 116

Explanation:

First combine like terms 7y + 11 = 116

Then undo addition or subtraction.

Then undo multiplication and division to get the value of y.