# Answer on Geometry Question for itzel Sanchez

Question #20008

The measure of an exterior angle is 40 degrees. Find the measure of an exterior angle.

Expert's answer

Since the exterior angle of a polygon is alwayssupplementary to the interior angle, you subtract the measure of the interior

angle from 180. X = 180 - 40 = 140 degrees.

angle from 180. X = 180 - 40 = 140 degrees.

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