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What is the size of each interior angle of a regular decagon?
A ten-sided polygon. The sum of the angles of a decagon is 1440°. so 1440°÷10=144° ---------------------------------------------------------------------------- The easiest way to calculate this is to calculate the exterior angle and use the fact that the exterior and interior angles are supplementary. Sum exterior angles = 360° → Each exterior angle of a regular decagon is 360° ÷ 10 → Each interior angle of a regular decagon = 180° - 360° ÷ 10 = 144°
What is the measure of each exterior angle of a decagon?
Providing that it's a regular decagon then each exterior angle will measure 36 degrees
How many degrees are there in each exterior angle of a regular decagon?
216.
What is the interior and exterior angle for a regular decagon?
A decagon is a polygon with 10 sides. By using the interior and exterior postulates, you can find the angle measures, which happen to be 144 and 36 degrees respectively.
What is the sum of the exterior angle measure of a regular decagon?
For any polygon, regular or otherwise, the sum of exterior angles is always 3600.
