Polygon Types

Front

What is a polygon?

Back

A polygon is a closed, flat (2-dimensional) figure made up of straight line segments connected end-to-end.

Front

What is a regular polygon?

Back

A regular polygon has all sides equal in length and all interior angles equal in measure.

Front

Can you give examples of regular polygons?

Back

Examples of regular polygons include an equilateral triangle and a square.

Front

What is an irregular polygon?

Back

An irregular polygon has sides and/or angles that are not all equal.

Front

What characterizes a convex polygon?

Back

A convex polygon is one where all interior angles are less than 180°, and no vertices point inward.

Front

What is a concave polygon?

Back

A concave polygon has at least one interior angle greater than 180°, and at least one vertex points inward.