The measure of each interior angle of a regular polygon is 150 how many sides does the polygon have?

1 answer:

3 0

The exterior and an interior angles always add up to 180 degrees.
180-150=One exterior angle
180-150=30
We know that all of the exterior angles add up to 360
360/30= the number of sides
360/30=12
The shape has 12 sides.

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