The+sum+of+angles+of+a+polygon+is+1980+.+how+many+angles+has+the+polygon
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The polygon has 13 angles
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The solution to the problem will be given by the equation n(180 - 360/n) = 1980, with n being the number of sides and therefore an integer. It is assumed the polygon is regular. The external angle of the polygon will be 360/n and the internal angle is therefore 180 - 360/n degrees. There are n of these angles.
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