Volume and Surface Area of 3D Figures

Volume = base area × height; surface area = sum of all face areas for prisms and pyramids.

Grade 7Common Core 7.G.B.6GVerified correct ✓

Worked examples

Find the volume of a sphere with radius 9. Use π ≈ 3.14159.
Answer: 3053.63

Find the volume of a rectangular prism with length 8, width 7, and height 11.
Answer: 616

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