Identify Polygons

Front

What is a regular polygon?

Back

A polygon in which all sides and all angles are congruent.

Front

What is an irregular polygon?

Back

A polygon that does not have all sides and angles equal.

Front

What defines a polygon?

Back

A closed figure with at least three straight sides.

Front

What is a convex polygon?

Back

A polygon where all interior angles are less than 180 degrees.

Front

What is a concave polygon?

Back

A polygon that has at least one interior angle greater than 180 degrees.

Front

How many sides does a triangle have?

Back

3 sides.

Front

How many sides does a quadrilateral have?

Back

4 sides.

Front

What is a regular octagon?

Back

An eight-sided polygon with all sides and angles equal.

Front

What is an irregular decagon?

Back

A ten-sided polygon with sides and angles that are not all equal.

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees.