Radius and Diameter

A circle has radius 8 cm. What is its diameter?

• 18 cm
• 8 cm
• 16 cm
• 64 cm

A circle has radius 7 cm. What is its diameter?

• 16 cm
• 7 cm
• 49 cm
• 14 cm

A circle has radius 6 cm. What is its diameter?

• 36 cm
• 14 cm
• 12 cm
• 6 cm

A circle has radius 5 cm. What is its diameter?

• 25 cm
• 10 cm
• 5 cm
• 12 cm

A circle has radius 4 cm. What is its diameter?

• 16 cm
• 8 cm
• 4 cm
• 10 cm

A circle has radius 3 cm. What is its diameter?

• 3 cm
• 6 cm
• 9 cm
• 8 cm

The radius of a circle is 72 cm. What is its diameter?

• 72 cm
• Cannot be found
• 144 cm
• 36 cm

The radius of a circle is 54 cm. What is its diameter?

• 108 cm
• 27 cm
• Cannot be found
• 54 cm

The radius of a circle is 48 cm. What is its diameter?

• Cannot be found
• 48 cm
• 24 cm
• 96 cm

The radius of a circle is 33 cm. What is its diameter?

• Cannot be found
• 66 cm
• 33 cm
• 16.5 cm

The radius of a circle is 27 cm. What is its diameter?

• 27 cm
• 13.5 cm
• 54 cm
• Cannot be found

The radius of a circle is 22 cm. What is its diameter?

• 44 cm
• Cannot be found
• 11 cm
• 22 cm

The radius of a circle is 15 cm. What is its diameter?

• Cannot be found
• 7.5 cm
• 15 cm
• 30 cm

The radius of a circle is 11 cm. What is its diameter?

• 11 cm
• 22 cm
• 5.5 cm
• Cannot be found

The radius of a circle is 9 cm. What is its diameter?

• Cannot be found
• 4.5 cm
• 18 cm
• 9 cm

The radius of a circle is 6 cm. What is its diameter?

• 12 cm
• 3 cm
• 6 cm
• Cannot be found

The diameter of a circle is 80 cm. What is its radius?

• 160 cm
• 80 cm
• Cannot be found
• 40 cm

The diameter of a circle is 64 cm. What is its radius?

• 64 cm
• 32 cm
• Cannot be found
• 128 cm

The diameter of a circle is 50 cm. What is its radius?

• Cannot be found
• 50 cm
• 25 cm
• 100 cm

The diameter of a circle is 40 cm. What is its radius?

• 20 cm
• Cannot be found
• 80 cm
• 40 cm