Polygon Angle Sum Theorems Review

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 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°.

Front

What is the sum of the exterior angles of any polygon?

Back

The sum of the exterior angles of any polygon is always 360°.

Front

How do you find the measure of one interior angle of a regular polygon?

Back

To find the measure of one interior angle of a regular polygon, use the formula ((n-2) × 180°) / n.

Front

What is a regular polygon?

Back

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

Front

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

Back

The sum of the interior angles of a hexagon is 720°.

Front

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

Back

The sum of the interior angles of a nonagon is 1260°.

Front

If a polygon has 5 sides, what is the sum of its interior angles?

Back

The sum of the interior angles of a pentagon is 540°.

Front

What is the formula to calculate the sum of the interior angles of a polygon?

Back

The formula to calculate the sum of the interior angles of a polygon is (n-2) × 180°.

Front

What is the measure of one exterior angle of a regular pentagon?

Back

The measure of one exterior angle of a regular pentagon is 72°.