Radius, Diameter, Circumference

which segment above represents the diameter

• BC

• AC

• BD

• LM

Find the radius of the circle

• 20 ft

• 10 ft

• 5.5 ft

• 10

find the diameter of the circle

• 14 m

• 7 m

• 14

• 3.5 m

find the diameter of the circle

• 1 ft

• 4 ft

• 4 mm

• 2 ft

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

Find the circumference of the circle.

• 78.5 cm

• 15.7 cm

• 7.85 cm

• 19.6 cm

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters

• 28.26 meters

• 56.52 meters

• 18 meters

Find the circumference of the circle

• 50.24 yd

• 25.12 yd

• 11.14 yd

Find the circumference of the circle

• 18.84 cm

• 75.36 cm

• 37.68 cm