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Name: __________________________________
Period: _____
Geometry
Interior and Exterior angle practice
1) Find the sum of the interior angles in a
heptagon.
2) Find the sum of the exterior angles of a 21-gon.
3) Find the measure of each interior angle
of a regular 12-gon.
4) If the sum of the interior angles of a polygon is
1,980°, how many sides does it have?
5) Find the measure of each exterior angle
of a regular 18-gon.
6) If one interior angle of a regular polygon
measures 156°, how many sides are there?
7) Solve for x.
8) Solve for x.
5x
4x
73º
3x-5
225
º
x
2x+8
3x
107°
134
º
x+32