This document is a worksheet about polygons for a 7th grade math class. It defines polygons as closed plane figures formed by three or more line segments. It defines regular polygons as those with all congruent sides and congruent angles. Examples of regular and irregular polygons are given for triangles, pentagons, hexagons, heptagons, and octagons. The student is to fill in the worksheet with the names and definitions of polygons.

1. Name __________________________________ Date ______________________
Mrs. Labuski & Mrs. Portsmore Period _______ Unit 9 Lesson 1 Polygons
TB 7-7
REGULAR NOT REGULAR
VOCABULARY DEFINITION
EXAMPLE EXAMPLE
Closed plane figure
See all examples
POLYGON formed by three or
below.
more line segments
A polygon where
all sides are
REGULAR See all examples
congruent and all
POLYGON in this column.
angles are
congruent.
TRIANGLE 3 sides
PENTAGON 5 sides
HEXAGON 6 sides
HETPAGON 7 sides
OCTAGON 8 sides

4. Name __________________________________ Date ______________________
Mrs. Labuski & Mrs. Portsmore Period _______ Unit 9 Lesson 1 Polygons
TB 7-7
REGULAR NOT REGULAR
VOCABULARY DEFINITION
EXAMPLE EXAMPLE
See all examples
POLYGON
below.
REGULAR See all examples
POLYGON in this column.
TRIANGLE
PENTAGON
HEXAGON
HETPAGON
OCTAGON