Polygon Basics

Front

What is a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments connected end to end.

Front

What is the name of a polygon with 9 sides?

Back

Nonagon

Front

True or False: A triangle is a polygon.

Back

True

Front

What is the difference between a convex and concave polygon?

Back

A convex polygon has all interior angles less than 180 degrees, while a concave polygon has at least one interior angle greater than 180 degrees.

Front

What is a heptagon?

Back

A heptagon is a polygon with 7 sides.

Front

What is an octagon?

Back

An octagon is a polygon with 8 sides.

Front

Can a polygon have curved sides?

Back

No, a polygon must have straight sides.

Front

What is the sum of the interior angles of a polygon with n sides?

Back

The sum of the interior angles of a polygon with n sides is (n-2) × 180 degrees.

Front

Is a square a polygon?

Back

Yes, a square is a polygon with 4 equal sides and 4 right angles.

Front

What is a regular polygon?

Back

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