Polygon Interior Angles

Front

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

Back

The exterior angle is equal to the supplement of the interior angle.

Front

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

Back

720 degrees.

Front

If the measure of an exterior angle of a polygon is 45 degrees, what is the measure of its interior angle?

Back

135 degrees.

Front

Find the sum of the interior angles of a triangle.

Back

180 degrees.

Tags

CCSS.8.G.A.5

Front

If a polygon has 9 sides, what is the sum of its interior angles?

Back

1260 degrees.

Front

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

Back

(n - 2) × 180 degrees.

Front

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

Back

8 sides.

Front

What is the measure of each interior angle of a regular pentagon?

Back

108 degrees.

Front

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

Back

60 degrees.

Front

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

Back

360 degrees.