331,609 views
42 votes
42 votes
Find the Value of X. Help me Please

Find the Value of X. Help me Please-example-1
User Mo Sander
by
3.0k points

1 Answer

5 votes
5 votes

Answer:

x = 144

Explanation:

Sum of all angles of n-sided polygon = 180 * (n - 2)

Sum of all angles of 8-sided polygon = 180 * 6 = 1080

x + 129 + 132 + 136 + 124 + 141 + 158 + 116 = 1080

x + 936 = 1080

x = 1080 - 936

x = 144

User Jay Carlton
by
2.6k points