Classify Polygons

Front

What is a polygon?

Back

A polygon is a closed figure made up of straight line segments. The segments are called sides, and the points where the sides meet are called vertices.

Front

What is a regular polygon?

Back

A regular polygon is a polygon with all sides and all angles equal.

Front

What is an irregular polygon?

Back

An irregular polygon is a polygon that does not have all sides and angles equal.

Front

How many sides does a triangle have?

Back

A triangle has 3 sides.

Front

How many sides does a quadrilateral have?

Back

A quadrilateral has 4 sides.

Front

How many sides does a pentagon have?

Back

A pentagon has 5 sides.

Front

How many sides does a hexagon have?

Back

A hexagon has 6 sides.

Front

How many sides does a heptagon have?

Back

A heptagon has 7 sides.

Front

How many sides does an octagon have?

Back

An octagon has 8 sides.

Front

How many sides does a nonagon have?

Back

A nonagon has 9 sides.