<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />

# 9.13: Regular and Irregular Polygons

Difficulty Level: At Grade Created by: CK-12
Estimated3 minsto complete
%
Progress
Practice Regular and Irregular Polygons

MEMORY METER
This indicates how strong in your memory this concept is
Progress
Estimated3 minsto complete
%
Estimated3 minsto complete
%
MEMORY METER
This indicates how strong in your memory this concept is

### Notes/Highlights Having trouble? Report an issue.

Color Highlighted Text Notes

### Vocabulary Language: English

TermDefinition
Congruent Congruent figures are identical in size, shape and measure.
Decagon A decagon is a ten sided polygon.
Heptagon A heptagon is a seven sided polygon.
Hexagon A hexagon is a six sided polygon.
Irregular Polygon An irregular polygon is a polygon with non-congruent side lengths.
Nonagon A nonagon is a nine sided polygon.
Octagon An octagon is an eight sided polygon.
Pentagon A pentagon is a five sided polygon.
Polygon A polygon is a simple closed figure with at least three straight sides.
Regular Polygon A regular polygon is a polygon with all sides the same length and all angles the same measure.

Show Hide Details
Description
Difficulty Level:
Authors:
Tags:
Subjects: