Diameter of Circle

What is the radius?

• 18

• 72

• 38

• 14

Find the radius of a circle who's diameter is 40 ft.

• 40ft

• 80ft

• 20ft

• 45ft

If the diameter of a circle is 10 cm, the radius is 5 cm.

• TRUE

• FALSE

If the radius is 5 inches what is the diameter?

• 5 inches

• 2.5 inches

• 10 inches

• 50 inches

If the diameter is 2 inches, what is the radius?

• 1 inch

• 2 inches

• 3 inches

• 4 inches

If the diameter is 20 feet, the radius is what?

• 40 feet

• 20 feet

• 10 feet

• 5 feet

If the radius is 50miles, the diameter is what?

• 25 miles

• 50 miles

• 100 miles

• 200 miles

If the radius is 2 inches, the diameter is what?

• 1 inch

• 2 inches

• 4 inches

• 8 inches

If the diameter is 100 feet, the radius is what?

• 200 feet

• 100 feet

• 50 feet

• 25 feet

If the diameter is 8 cm, the radius is what?

• 16 cm

• 8 cm

• 4 cm

• 2 cm