Angles of Polygons

Front

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

Back

(n - 2) × 180°

Front

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

Back

360°

Front

Define a regular polygon.

Back

A polygon with all sides and angles equal.

Front

What is the measure of each interior angle of a regular polygon with 5 sides?

Back

108°

Front

What is the property of opposite sides in a parallelogram?

Back

Opposite sides are congruent.

Front

What is the property of opposite angles in a parallelogram?

Back

Opposite angles are congruent.

Front

What is the relationship between consecutive angles in a parallelogram?

Back

Consecutive angles are supplementary.

Front

How do you find the measure of an exterior angle of a regular polygon?

Back

Divide 360° by the number of sides.

Front

What is the formula for the number of diagonals in a polygon with n sides?

Back

n(n - 3)/2

Front

What does it mean for diagonals to bisect each other?

Back

The diagonals divide each other into two equal parts.