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OpenStudy (osuxbucks15):
A road sign is in the shape of a regular decagon. What is the measure of each angle on the sign? Round to the nearest tenth. 1,440° 144° 72° 216°
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OpenStudy (unklerhaukus):
|dw:1341249491622:dw|
OpenStudy (anonymous):
\[m\angle_{Interior Angle} = \frac{(n - 2)180}{n}\]
OpenStudy (unklerhaukus):
see the (n-2) triangles |dw:1341249590885:dw|
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