Interior/Exterior Angle Sum of Polygons & Parallelogram Prop

Front

What is the formula for the sum of interior angles in a polygon?

Back

180(n−2), where n is the number of sides in the polygon.

Front

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

Back

720º

Front

What is the measure of one interior angle in a regular pentagon?

Back

108º

Front

What is the formula for the measure of one interior angle in a regular polygon?

Back

(180(n−2))/n, where n is the number of sides.

Front

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

Back

360º

Front

What is the sum of the interior angles of an octagon?

Back

1080º

Front

If a polygon has 10 sides, what is the sum of its interior angles?

Back

1440º

Front

What is the measure of one interior angle in a regular hexagon?

Back

120º

Front

What is the relationship between interior and exterior angles in a polygon?

Back

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

Front

What is the formula for the sum of exterior angles of a polygon?

Back

360º, regardless of the number of sides.