Radius and Diameter

The radius of this circle is ....

• A. 15 cm

• B. 20 mm

• C. 10 mm

• D. 15 mm

From the center of this CD to the edge of the CD is 4 inches. How far is the distance all the way across the CD?

• 16 in

• 8 in

• 12 in

• 2 in

The radius of this coin is 7 mm. What is the diameter?

• 3.5 mm

• 14 mm

• 21 mm

• 49 mm

What is the diameter?

• 5 in

• 10 in

• 3.14 in

• 15.84 in

Swimming from one side of this pool through the center to the other side is 12 feet. What is the radius of this pool?

• 32 ft

• 6 ft

• 4 ft

• 12 ft

If I want to cut this pizza in half, the line would be 16 in long. How far do I need to cut if I just want a slice from the center?

• 32 in

• 4 in

• 12 in

• 8 in

What is the circle's diameter?

• 5 cm

• 10 cm

• 20 cm

What is the circle's radius?

• 3 m

• 6 m

• 12 m

What is the diameter of a circle when the measure of its radii is 24 m?

• 12

• 32

• 25

• 48

What is the Diameter?

• 8 in

• 16 in

• 32 in