Circles and Circumference

What is the circumference of this circle?  Round to the nearest tenth.

• 3.14 cm 

• 37.7 cm

• 24 cm

• 68.4 cm

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

All of the following are true except-

• The circumference is about 3 times the length of the diameter

• A diameter is a radius

• A radius is half of the length of the diameter

• A diameter is a chord that goes through the center of a circle

The circumference is 62.8 inches.  What is the radius?

• 20 inches

• 10 inches

• 6.28 inches

• 31.4 inches

A flower pot has a circumference of 37.6 inches. Which measure is closets to the diameter of the flower pot?

• 10in

• 11 in

• 12in

• 14 in

• Diameter is: DE

• Diameter is: BA

• Diameter is: BC

• Diameter is: DC

What is the diameter?

• 8

• 16

• 10

• 4

What does "circumference" mean?

• Space a circle takes up

• Distance around a circle

• Line from one side of a circle to another

• Line from center of circle to side

Serena drew a circle with a circumference of 157 centimeters. What is the approximate diameter of the circle she drew?

• 1.57 cm

• 15.7 cm

• 50 cm

• 25 cm

What is the diameter?

• 6.5

• 15

• 26

• 78