Question

Find the value of X

Answer 1

116

Explanation:

The sum of angles of a 7-sided polygon is (7 -2)·180° = 900°. So, you need to choose x to make it so.

108° +101° +146° +137° +153° +139° +x° = 900°

x° = 900° -784° . . . . subtract 784°

x° = 116°