Interior and Exterior Angles of Polygons

Front

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

Back

(n−2) × 180°

Front

What is the sum of exterior angles for any polygon?

Back

360°

Front

How do you calculate the measure of each interior angle of a regular polygon?

Back

(n−2) × 180° / n

Front

What is the measure of each exterior angle of a regular polygon?

Back

360° / n

Front

What is the sum of interior angles for a triangle?

Back

180°

Front

What is the sum of interior angles for a quadrilateral?

Back

360°

Front

What is the sum of interior angles for a pentagon?

Back

540°

Front

What is the sum of interior angles for a hexagon?

Back

720°

Front

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

Back

1440°

Front

If a polygon has 12 sides, what is the sum of its interior angles?

Back

1800°