Circumference of Circles

What is the diameter?

• 8 cm
• 16 cm
• 10 cm
• 4 cm

What is the circumference of this circle?

• 3.14 cm 
• 37.7 cm
• 24 cm
• 68.4 cm

Tags

CCSS.7.G.B.4

The radius of the circle is 9 meters.  What is the circle's circumference rounded to the nearest hundredths?

• 9 meters
• 28.26 meters
• 28.27 meters
• 18 meters

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

The diameter of a circle is 3 centimeters. What is the circumference?

• 11.5cm2
• 9.42 cm2
• unicorns are awsome
• 45.3 cm2

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

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

• C = pi x r
• C = pi x 2r
• C = pi x D
• C = pi x 2D

Find the circumference (to the nearest whole number)

• 88 in
• 44 in
• 116 square in
• None of the above

Tags

CCSS.7.G.B.4

_{Find the Circumference.}

• 31.4 in
• 78.5 in sq
• 15.7 in
• 3.14 in 

Tags

CCSS.7.G.B.4