Sphere and Hemispheres

Find the surface area when r=25cm.

remember to look at the units!!!!

• 2500 cm²

• 2505.7 cm³

• 7853.98 cm²

• 7850.52 cm³

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CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Find the surface area of the hemisphere

• 904.3 cm²

• 339.3 cm²

• 113.0 cm²

• 452.2 cm²

Find the volume of the Sphere

• 78.5 m³
• 392.5 m³
• 523.6 m³
• 62.8 cm³

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CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

There were 18 balls in a box. Each ball was the same size. If one ball had the diameter of 16, what is the volume of each ball?

• 3456
• 679.9
• 2144.7
• 8790.3

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CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Find the volume of the hemisphere

• 904.3 cm³

• 226.1 cm³

• 113.0 cm³

• 452.2 cm³

Find the volume of the hemisphere

• 134.0 m³
• 100.5 m³
• 267.9 m³
• 201.6 m³

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Find the radius of a Sphere that has a Volume of 4500π cubic inches.

• 3375 inches

• 15 inches

• 58 inches

• 2250 inches

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

What is this formula used to find?
V=4/3πr³

• The volume of a cylinder
• The volume of a cone
• The volume of a sphere
• The area of a circle

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

A hemisphere has the radius of 5.3 meters. Find the volume. Use 3.14 for pi.

• 39.0 m³

• 116.9 m³

• 311.6 m³

• 934.9 m³

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CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

If a tennis ball has a diameter of 14.6, and is cut in half. What is the volume of the half of the tennis ball? Use 3.14 for pi.

• 1,628.7

• 6,514.7

• 2,443

• 814.3

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3