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The interior angle of any polygon (other than a triangle) can have ANY value greater than 0 degrees and less than 360 degrees. 180 degrees may be excluded since that does not really make an angle. There is no other requirement of an individual angle. Consequently, you cannot find an interior angle of a 9-gon.
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What is the measure of a one angle of an 9gon?
If it's a regular 9 sided polygon then each interior angle will measure 140 degrees.
Can you find the exterior angle before the interior angle?
No, you cannot find the exterior angle before the interior because the interior angles can vary in many ways.
How do you find a Exterior angle is you have an interior angle?
Subtract it from 180
What is the Formula to find out exterior angle of a hexagon?
180 - interior angle = exterior angle
How do you find the exterior angle from a interior angle?
The interior angle and the exterior angle are supplementary. That's why you learned about supplementary angles ... or at least they were presented in class ... before polygons.
