Interior angles add up to 1440 degrees
Each interior angle of a regular decagon measures 144 degrees
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Each interior angle measures 144 degrees
A decagon is a polygon with 10 sides. In a decagon, each interior angle measures 144 degrees. An acute angle is an angle that measures less than 90 degrees. Since all the interior angles of a decagon are 144 degrees, there are no acute angles in a decagon.
Each interior angle is 144 degrees.
The interior angle of a 10 sided decagon add up to 1440 degrees
In a general decagon an interior angle can have any value in the range (0, 360) degrees - excluding 180 degrees. The only constraint is that the sum of all interior angles must be 1440 degrees.