Exploring Perimeter & Interior Angles of Polygons

A regular hexagon has a perimeter of 72 cm. What is the length of one side?

• 8 cm

• 10 cm

• 12 cm

• 15 cm

Tags

CCSS.3.MD.D.8

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

• 120 degrees

• 90 degrees

• 108 degrees

• 135 degrees

A regular octagon is used as a stop sign. If each side is 3 feet long, what is the total perimeter of the stop sign?

• 30 feet

• 24 feet

• 18 feet

• 12 feet

Tags

CCSS.3.MD.D.8

If a regular triangle has an interior angle of 60 degrees, how many sides does it have?

• 5

• 3

• 2

• 4

A regular decagon has a perimeter of 100 m. What is the length of each side?

• 15 m

• 20 m

• 10 m

• 5 m

Tags

CCSS.3.MD.D.8

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

• 120 degrees

• 90 degrees

• 60 degrees

• 180 degrees

A park is designed in the shape of a regular hexagon with each side measuring 10 meters. What is the total distance around the park?

• 80 meters

• 70 meters

• 50 meters

• 60 meters

Tags

CCSS.3.MD.D.8

If a regular pentagon has an interior angle of 108 degrees, how many sides does it have?

• 5

• 4

• 6

• 8

A regular dodecagon (12 sides) has a perimeter of 240 cm. What is the length of one side?

• 15 cm

• 20 cm

• 25 cm

• 30 cm

Tags

CCSS.3.MD.D.8

Calculate the total measure of all interior angles in a regular heptagon (7 sides).

• 720 degrees

• 1080 degrees

• 540 degrees

• 900 degrees