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Submitted by • July 27, 2012

A Polygon with 12 sides is called as dodecagon. It can be regular or irregular. If we want to calculate interior angle sum then we need to divide the dodecagon into Triangles. It consists of 10 triangles. We can calculate the sum of all angles by multiplying 180 * 10 because we have 10 triangles and each triangles interior angle sum is 180 degree. So dodecagon angles sum will be 1800.

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Voted by csjangir100

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