Question

The two angles shown are supplementary.



Which equation can be solved to find the value of x, and what is the value of x?

A.
162° + x° = 90°; x = 72
B.
162° + x° = 180°; x = 18
C.
162° + x° = 360°; x = 198
D.
162° + x° = 180°; x = 242

Answer 1

So first you need to know what a supplementary angle is. Its where two angles equal to the sum of 180 degrees.