Circumference of a Circle

what is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68mm
• 18.84mm
• 78.5mm
• none of the above

Tags

CCSS.7.G.B.4

Find the circumference

• 87.92 in.

• 43.96 in.

• 196 in.

• 615.44 in.

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's circumference?

• 12.56 cm

• 45.6 cm

• 25.12 cm

• 50.24 cm

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

• 8.79 m

• 28.26 m

• 18.84 m

• 113.04 m

If the diameter of this tire is 3 ft., how far will it travel if it turned 20 times?

• 7.065 ft.

• 94.2 ft.

• 188.4 ft.

• 376.8 ft.

What is the distance around a circle?

• Circumference
• Area
• Diameter
• Radius

What is the formula for circumference of a circle given the diameter?

• C = π x r

• C = π x 2r

• C = π x D

• C = π x 2D

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

What is the radius?

• 18
• 72
• 38
• 14

Tags

CCSS.7.G.B.4