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Geometry

How do you find the exterior angle measure of a regular concave nonagon

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Answer #1

I don’t really know how to explain it without drawing things but I’m gonna give it a shot. If theres a straight line that goes along a side of the shape and then continues on stright after a corner and they give you the measure of the inside angle, you subtract that from 180 to get the exterior angle. Make sense?

Answer #2

I don’t really know how to explain it without drawing things but I’m gonna give it a shot. If theres a straight line that goes along a side of the shape and then continues on stright after a corner and they give you the measure of the inside angle, you subtract that from 180 to get the exterior angle. Make sense?

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