Understanding Circles: Radius and Diameter Quiz

If the diameter of a circle is 10 cm, what is its radius?

• 5 cm

• 20 cm

• 10 cm

• 2.5 cm

Tags

CCSS.7.G.B.4

The radius of a circle is 7 meters. Calculate the diameter.

• 3.5 meters

• 14 meters

• 21 meters

• 7 meters

Tags

CCSS.7.G.B.4

A wheel has a diameter of 16 inches. What is the radius of the wheel?

• 8 inches

• 32 inches

• 16 inches

• 4 inches

Tags

CCSS.7.G.B.4

If a circle has a radius of 12 cm, what is its diameter?

• 6 cm

• 24 cm

• 12 cm

• 48 cm

Tags

CCSS.7.G.B.4

The diameter of a circular garden is 50 feet. Find the radius of the garden.

• 25 feet

• 100 feet

• 50 feet

• 75 feet

Tags

CCSS.4.MD.A.1

CCSS.4.MD.A.2

A circular pond has a radius of 9 meters. Determine the diameter of the pond.

• 4.5 meters

• 18 meters

• 9 meters

• 36 meters

Tags

CCSS.7.G.B.4

If the radius of a wheel is 5 inches, what is the diameter of the wheel?

• 2.5 inches

• 5 inches

• 10 inches

• 20 inches

Tags

CCSS.7.G.B.4

A circular track has a diameter of 400 meters. What is the radius of the track?

• 200 meters

• 800 meters

• 400 meters

• 100 meters

Tags

CCSS.7.G.B.4

The radius of a circular table is 1.5 feet. Find the diameter of the table.

• 0.75 feet

• 1.5 feet

• 3 feet

• 6 feet

Tags

CCSS.7.G.B.4

If a circle has a diameter of 8 meters, what is its radius?

• 4 meters

• 8 meters

• 16 meters

• 2 meters

Tags

CCSS.7.G.B.4