Angles and Areas of Polygons

What is the measure of each interior angle in a regular 30-gon (a polygon with 30 sides)?

• 12^o

• 168^o

• 5040^o

• 5400^o

What is the sum of the interior angles of a 45-gon (a polygon with 45 sides)?

• 7740^o

• 360^o

• 8100^o

• 720^o

What is the sum of the exterior angles of a regular 33-gon (a polygon with 33 sides)?

• 180^o

• 360^o

• 169.1^o

• 5580^o

Find the sum of the interior angles of a 15-gon.

• 180^o

• 156^o

• 2340^o

• 2700^o

Find one exterior angle of a regular heptagon (7 sides) . (round to the nearest tenth if needed)

• 51.4^o

• 60^o

• 72.4^o

• 360^o

Find the area of the regular polygon

• 21 m²

• 42 m²

• 126 m²

• 63 m²

Find the area of the regular polygon

• 5460 ft²

• 10920 ft²

• 2184 ft²

• 1092 ft²

Find the area of the regular polygon

• 640 in²

• 320 in²

• 160 in²

• 80 in²

Calculate the sum of the interior angles of a regular octagon (8 sides).

• 1440^o

• 1080^o

• 720^o

• 180^o

The angles shown in the picture are called...

• Exterior angles

• Central angles

• Interior angles