Polygon Interior Angles

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

• The sum of the interior angles of a hexagon is 720 degrees.

• The sum of the interior angles of a hexagon is 360 degrees.

• The sum of the interior angles of a hexagon is 900 degrees.

• The sum of the interior angles of a hexagon is 540 degrees.

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

• 720 degrees

• 540 degrees

• 360 degrees

• 1260 degrees

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

• 12

• 8

• 10

• 5

Calculate the measure of each interior angle of a regular pentagon.

• 108 degrees

• 90 degrees

• 120 degrees

• 150 degrees

Identify the interior angle of a regular octagon.

• 135 degrees

• 90 degrees

• 150 degrees

• 120 degrees

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

• The interior angle is equal to the exterior angle

• The exterior angle is always greater than the interior angle

• The exterior angle is always half of the interior angle

• The relationship between the interior and exterior angles of a polygon is that the exterior angle is equal to the supplement of the interior angle.

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

• 135 degrees

• 180 degrees

• 60 degrees

• 90 degrees

Find the sum of the interior angles of a triangle.

• 180 degrees

• 90 degrees

• 360 degrees

• 270 degrees

Tags

CCSS.8.G.A.5

Determine the measure of each interior angle of a regular heptagon.

• 128.57 degrees

• 180 degrees

• 90 degrees

• 360 degrees

Explain how to find the measure of an interior angle of a polygon using the formula.

• n * 180 / (n-2)

• (n-2) / 180 * n

• (n-2) * 180 / n

• (n+2) * 180 / n