Radius 3D Figures

Find the radius of a circle that has an area of 132.73 in². Round to the nearest tenth.

• 6 in

• 6.4 in

• 6.49 in

• 6.5 in

A cylinder that is 19 cm tall has a volume of 14,340.59 cm³. What is the radius of this cylinder?

• 14

• 14.7

• 15.5

• 16

Which word represents half the distance across a circle?

• Diameter

• Radius

A sphere has a volume of approximately 113 cubic units. Which of the following best represents the radius of the sphere?

• 4 units

• 2 units

• 3 units

• 5 units

The volume of a cylinder is approximately 942 cubic inches. The height of the cylinder is 12 inches. Which is the best approximation for the radius of the cylinder?

• 4 inches

• 5 inches

• 6 inches

• 7 inches

What is the radius of a cylinder that has a volume of 1244.07 cubic inches and a height of 11 inches?

• 5

• 9

• 6

• 7

Mr. Poole's water bottle has a height of 8 inches and a volume of 56.55 inches³. How big is the radius on the water bottle?

• 3 inches

• 2 inches

• 4 inches

• 1.5 inches

Find the volume of the cylinder. Remember to use the radius, not diameter.

• 635.25 m²

• 7978.74 m²

• 1994.69 m²

• 725.34 m²

Find the volume of the sphere. Use the radius.

• 20,569.09 m³

• 52,405.33 m³

• 164,552.75 m³

• 6,550.67 m³

Find the volume of the hemisphere.

• 36 km³

• 18 km³

• 56.52 km³

• 113.04 km³