find the value of each interior angle of a square polygon whose sides are 10 cm each
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A decagon is a 10-sided polygon, with 10 interior angles, and 10 vertices which is where the sides meet. A regular decagon has 10 equal-length sides and equal-measure interior angles. Each angle measures 144° and they all add up to 1,440° .
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Formula =(n-2)180.
1440 sum of all angles.
144 degree eacj angle.
@Bblegend
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