Respuesta :

fatemehkorea

Answer:

x = 22.5

Step-by-step 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

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