8.1 Polygon Angles

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

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

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

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

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

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

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

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

Find the sum of the interior angles for the polygon.

Find the measure of one interior angle for the regular polygon.

Find the measure for one exterior angle of the regular polygon.

Find the sum of the interior of angles in a 12-gon

• 1800
• 1080
• 1620
• 1260

The measurement of the sum an interior
angle of a regular nonagon is 1080°

• True
• False

Find the measureof the sum of the exterior angles in a hexagon

• 360
• 180
• 720
• 540