Question

What is the value of y?

Answer 1

A. 54°

Explanation:

a triangle is 180°.

180-72 = 108

there's 2 y's so you'd divide by 2.

108/2 = 54

Answer 2

A-54

Explanation:

triangle angle total is 180° the subtract 72 is 108 and divide by 2 is 54