Geometry Drill #3.13 3/16/15
Find the sum of the interior angle
measures of each convex polygon.
1. pentagon 2. octagon
3. nonagon
Find the measure of each interior
angle of each regular polygon. Round
to the nearest tenth if necessary.
4. pentagon 5. heptagon
6. 15-gon

Find the measure of each exterior
angle of each regular polygon.
7. quadrilateral 8. octagon

Objective
•STW continue to work
with polygons and the
properties of their
angles

1) A regular polygon has an
interior angle sum of 4140º.
How many sides does it
have?
2) Can a regular polygon have
an exterior angle with
measure 75°? Explain.

3) A convex polygon with
22 sides has an interior
angle sum of _________.
4)A convex polygon with
271 sides has an exterior
angle sum of _________.

5) A regular polygon with
36 sides has an interior
angle of _________.
6) A regular polygon with
30 sides has an exterior
angle of _________.