Radius and Diameter

A circle’s diameter is known. Which value is half of it?

• radius
• chord length always
• circumference
• area

The radius of a circular plate is 11 cm. What is its diameter for a tiled design?

• 121 cm
• 22 cm
• 44 cm
• 11 cm

A circle has diameter 18 cm. What is its radius for a playground plan?

• 12 cm
• 36 cm
• 16 cm
• 9 cm

The radius of a circular plate is 3.5 cm. What is its diameter for a homework diagram?

• 3.5 cm
• 7 cm
• 14 cm
• 9 cm

A circle has diameter 56 cm. What is its radius for a map sketch?

• 56 cm
• 112 cm
• 54 cm
• 28 cm

The radius of a circular plate is 25 cm. What is its diameter for a garden plan?

• 52 cm
• 625 cm
• 25 cm
• 50 cm

A circle has diameter 44 cm. What is its radius for a school activity?

• 25 cm
• 42 cm
• 88 cm
• 22 cm

The radius of a circular plate is 4 cm. What is its diameter for a science fair model?

• 4 cm
• 16 cm
• 8 cm
• 10 cm

A circle has diameter 40 cm. What is its radius for a wall chart?

• 20 cm
• 38 cm
• 40 cm
• 80 cm

The radius of a circular plate is 11 cm. What is its diameter for a craft project?

• 22 cm
• 44 cm
• 24 cm
• 11 cm

A circle has diameter 18 cm. What is its radius for a classroom model?

• 36 cm
• 9 cm
• 12 cm
• 18 cm

The radius of a circular plate is 3.5 cm. What is its diameter for a playground plan?

• 7 cm
• 12.25 cm
• 14 cm
• 3.5 cm

A circle has diameter 56 cm. What is its radius for a notebook exercise?

• 54 cm
• 28 cm
• 56 cm
• 112 cm

The radius of a circular plate is 25 cm. What is its diameter?

• 50 cm
• 25 cm
• 100 cm
• 625 cm

A circle has diameter 44 cm. What is its radius?

• 22 cm
• 88 cm
• 25 cm
• 44 cm

The radius of a circular plate is 4 cm. What is its diameter?

• 4 cm
• 10 cm
• 8 cm
• 16 cm

A circle has diameter 40 cm. What is its radius?

• 40 cm
• 38 cm
• 20 cm
• 80 cm

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

• 44 cm
• 121 cm
• 11 cm
• 22 cm

A circle has diameter 18 cm. What is its radius?

• 36 cm
• 12 cm
• 16 cm
• 9 cm

The radius of a circular plate is 3.5 cm. What is its diameter?

• 12.25 cm
• 3.5 cm
• 9 cm
• 7 cm