Question

The angles shown below are supplementary:

A pair of supplementary angles is shown. One angle measures 10x and the other angle measures 70 degrees.

What is the value of x?

10°
11°
20°
21°

Answer 1

Supplementary angle = 180 degrees. 180-70- is 110. 110/10 is 11. So the answer is 11.

Answer 2

Answer: the answer is 11.