Question

The angles below are supplementary. What is the value of x?

1) 4


2) 6


3) 14


4) 22

Answer 1

4) 22

Explanation:

A linear pair of angles totals 180°.

(5x +20°) +50° = 180°

5x = 110° . . . . . . . . . . . . . subtract 70°

x = 22° . . . . . . . . . . . divide by 5