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An exterior angle of a regular polygon with n sides is 360/n degrees. So in the case of a decagon that would be 36 degrees. The interior angle is its supplement so 180 - 36 = 144 degrees.
Furthermore, a non-regular decagon could have an interior angle with any value in the range (0, 360) degrees. The only constraint is that the sum of all ten interior angles is 1440 degrees.
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What is the measurement of one angle on a decagon?
Each interior angle of a regular 10 sided decagon measures 144 degrees
What is the sum of one angle for a decagon?
36
What is the measure of one angle of a regular decagon?
144
How many degrees does one angle in a decagon measure?
Interior angle: 144 degrees
What is the of an interior angle of a decagon?
Each interior angle of a regular decagon is 144 degrees
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