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22-10-2017
Mathematics

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The sum of the angle measures of a polygon with n sides is 1260. find n.

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kritter1 kritter1

22-10-2017

Knowing the interior angle sum formula is;

180x(n-2)

180x(n-2)=1260 (solve for n here)
180n-360=1260
180n=1260+360
180n=1620
n=1620/180
n=9

Therefore, this polygon has 9 sides.

Hope I helped :)

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