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OpenStudy (geometry_hater):
The measure of an interior angle of a regular polygon is 140. Find the number of sides the polygon has.
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OpenStudy (anonymous):
\[\frac{180(n-2)}{n} = 140\]
OpenStudy (anonymous):
180 n - 360 = 140n 40n = 360 n = 9 so it is 9 sided
OpenStudy (geometry_hater):
thanks
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