Spheres

Spheres

I can find surface area and volume of spheres and hemispheres

Multiple Choice

Which formula calculates the surface area of a sphere?

• $$\frac{4}{3}\pi r^3$$

• $$4\pi r^2$$

• $$\frac{1}{3}\pi r^3$$

• $$\pi r^2$$

Multiple Choice

Which formula calculates the volume of a sphere?

• $$\frac{4}{3}\pi r^3$$

• $$4\pi r^2$$

• $$\frac{1}{3}\pi r^3$$

• $$\pi r^2$$

Multiple Choice

Lucas found a punctured bouncy ball in his basement. He wants to know how much air is used to fill up the entire ball. The diameter of the ball is 6 in. Find the volume. Use 3.14 for π.

• 113.04 in³

• 345.73 in³

• 904.36 in³

• 589.03 in³

Multiple Choice

Barney wanted to know how much ice cream he got in one scoop. The radius of a scoop is 2 inches. Find the volume. Use 3.14 for π.

• 345.32 in³

• 25.17 in³

• 33.49 in³

• 50.22 in³

Multiple Choice

Find the volume in terms of π.

• 33.33π cm³

• 500π cm³

• 166.67π cm³

• 1333.33π cm³

Multiple Choice

What is the volume of a sphere with the radius of 4 inches in terms of π?

• 187.23π in³

• 85.33π in³

• 21.33π in³

• 256π in³

Multiple Choice

Find the surface area of a hemisphere with a radius of 25cm in terms of π.

• 625π cm²

• 1250π cm²

• 18750π cm²

• 2500π cm²

Multiple Choice

Find the surface area in terms of π.

• 2120π mm²

• 144π mm²

• 287π mm²

• 108π mm²

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What is the volume of the hemisphere? Use 3.14 for pi. Round to the nearest hundredth

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The surface area of a sphere is 804.25 m², find the radius of the sphere to the nearest whole number

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The volume of a sphere is 33.51 in³, find the radius of the sphere to the nearest whole number

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The volume of a sphere is 1436.76 cm³, find the diameter of the sphere to the nearest whole number