SOLUTION: How many sides does a polygon have if its angle sum is 1080 degrees?
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Question 362249: How many sides does a polygon have if its angle sum is 1080 degrees?
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
The interior angles of a polygon add up to 180(n-2).
We solve:
180(n-2) = 1080
180n - 360 = 1080
180n = 1080 + 360
180n = 1440
n = 1440/180
n = 8
The answer is 8 sides.
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