3 years ago

Find the value of x

1 answer:

5 0

Sum of interior angles = 180(n - 2)
in this case n = 5 so 180(5-2) = 180(3) = 540

120 + 120 + x + x + x = 540
3x + 240 = 540
3x = 300
x = 100

answer
B) 100

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