Angles of Polygons

What is the sum of the measures of the interior angles of a 30-gon?

• 5400

• 30

• 5040

• 168

What is the measure of the interior angle of a regular decagon?

• 1800

• 1440

• 144

• 180

What is the sum of the exterior angles of a regular dodecagon (12 sides)?

• 30

• 180

• 360

• 150

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

• 360

• 60

• 120

• 720

If the exterior angle of a regular polygon measures 6^o, how many sides does the polygon have?

• 60

• 1080

• 30

• 2160

What is the measure of the missing angle?

• 87

• 90

• 99

• None of the above

Tags

CCSS.HSG.C.A.3

Find the value of x.

• 9

• 18

• 36

• 90

Tags

CCSS.8.G.A.5