Question

#46 find the value of x! Please help !!

Answer 1

x = 22.5

Explanation:

the sum of the interior angles = (number of sides - 2) * 180

(5 - 2) * 180 = 540

to find x..

148 + 90 + 112 + x + 10 + 3x = 450

x + 3x = 450 - 148 - 90 - 112 - 10

4x = 90

x = 90/4

x = 22.5