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Exterior and interior angles are supplementary that is sum to 180o.
What is the interior angle of a regular decagon. Its interior angles add up to 3 180 540 and when it is regular all angles the same then each angle is 540 5 108 exercise. A regular decagon has equal interior angle measures. An irregular decagon has sides and angles that are not all equal or congruent.
A regular decagon has 10 equal length sides and equal measure interior angles. 36 to find the exterior angle of a regular decagon we use the fact that the exterior angle forms a linear pair with the interior angle so in general it is given by the formula 180 interior angle. In this problem regular decagon.
Each exterior angle for a regular decagon is 360o 10 36o. Exterior and interior angles are supplementary that is sum to 180o. Therefore the interior angle of a regular decagon is 180o 36o.
Therefore the interior angle of a regular decagon is 180o 36o. N is the number of sides of a polygon. See exterior angles of a polygon.
A decagon has 10 sides and 10 angles. Each exterior angle for a regular decagon is 360o 10 36o. Part b the measure of each interior angle of a regular decagon is.
The sum of the interior angles of a decagon is 10 2 180 1440 in a regular decagon all the angles are congruent at 1440 10 144 4 5 6 asked in math. Since 1440 10 144 each interior angle in a regular decagon has a measure of 144. A convex decagon bulges outward with no interior angle greater than 180 180.
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