Sum Of Exterior Angles Of A Decagon at Exterior

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Sum Of Exterior Angles Of A Decagon. Find the number of sides in the polygon. Find the sum of the angles of a polygon with 2 0 sides.

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Hence, it is seen that the sum of the exterior angles of a decagon is 360°. Also, each exterior angle has a measure of 36°. Let n n equal the number of sides of whatever regular polygon you are studying.

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Let n n equal the number of sides of whatever regular polygon you are studying. A dodecagon has 12 sides. In an equiangular polygon, the measure of each exterior angle is 2 5 % of the measure of each. Regular decagons have two additional identifying properties: