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Mathematics 14 Online
OpenStudy (anonymous):

road sign in the shape of a decagon whats the measure of each angle round to nearest tenth a:1440 b:144 c:72 d:216

OpenStudy (mathmate):

The total of \(exterior\) angles in a polygon of n sides is 360 degrees. The total of \(interior\) angles in a polygon of n sides is 180(n-2).

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