Polygon Sum Theorem

Front

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

Back

360 degrees.

Front

What is the sum of interior angles for a pentagon?

Back

540 degrees.

Front

What is the sum of exterior angles for a 16-gon?

Back

360 degrees.

Front

What is the formula for a particular exterior angle in a regular polygon?

Back

360/n, where n is the number of sides.

Front

What is the measure of a single exterior angle in a 16-gon?

Back

22.5 degrees.

Front

How do you calculate the sum of interior angles in a polygon?

Back

(n-2) * 180 degrees, where n is the number of sides.

Front

What is the sum of interior angles for a hexagon?

Back

720 degrees.

Front

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

Back

120 degrees.

Front

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

Back

Interior angle + Exterior angle = 180 degrees.

Front

How many sides does a polygon have if the sum of its interior angles is 1080 degrees?

Back

The polygon has 8 sides (an octagon).