Question

Find X.
A.124
B.138
C.282
D.69

Answer 1

subtract 210 with 72 and then divide that by 2 and you get 138. so x=138.

Answer 2

To find x, find the difference between the outer angle and middle angle, then divide by two.

X = (210 - 72) / 2

x = 138 / 2

x = 69

The answer is D.