# Polygons review

CCSS Math: 5.G.B.3
Review the term polygon and name polygons with up to 8 sides.  Then, try some practice problems.

## What is a polygon?

A polygon is a closed figure with at least $3$ straight sides.

## Practice set 1

Problem 1A
Is the following figure a polygon?

## Identifying polygons

Polygons can be named by their number of sides.
Number of sidesName
$3$Triangle
$4$Quadrilateral
$5$Pentagon
$6$Hexagon
$7$Heptagon
$8$Octagon

### Practice set 2

Problem 2A
Which of these shapes are quadrilaterals?