Circumference of Circles and Perimeter of Semi Circles

Find the circumference of a circle with a diameter of 11 millimeters.

• 34.6 mm

• 30 mm

• 25.3 mm

• 34.54 mm

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 13.5 mm.

• 37.68mm

• 18.84mm

• 84.78 mm

• none of the above

Tags

CCSS.7.G.B.4

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft

Tags

CCSS.7.G.B.4

If my circumference is 163.28ft, what is my radius?

• 52ft

• 26ft

• 3.14ft

• 163.28ft

Tags

CCSS.7.G.B.4

Find the perimeter of the figure.  Use 3.14 for pi.

• 20.56 in.

• 17.3 in.

• 17.8 in.

• 31.88 in.

Tags

CCSS.3.MD.D.8

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.

• 4 in.

• 8 in.

• 12 in.

• 16 in.

Tags

CCSS.7.G.B.4

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 

• 9.42 m

• 12 m

• 18.84 m

Tags

CCSS.7.G.B.4

Find the perimeter

• 14 m

• 43.96m

• 176 m

• 191.96 m

Tags

CCSS.3.MD.D.8

A bicycle tire has a diameter of 27 inches. What is the closest to the distance the bike travels along the ground when the wheel rotates once?

• 85

• 15.5

• 42

• 13

Tags

CCSS.7.G.B.4

If my circumference is 37.68cm, what is my diameter?

• 12cm

• 118.3152cm

• 6cm

• 37.68cm

Tags

CCSS.7.G.B.4