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Phoenix [80]
3 years ago
7

Find the value of x

Mathematics
1 answer:
FrozenT [24]3 years ago
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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