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Grade 8 HMH Go Math - Answer Keys
Chapter 13:Volume; Lesson 3: Volume of Spheres
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Guided Practice |
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Question 1
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Vocabulary A sphere is a three-dimensional figure with all points _____ from the center.
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Question 2
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Vocabulary The _____ is the distance from the center of a sphere to a point on the sphere.
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Find the volume of each sphere. Round your answers to the nearest tenth if necessary. Use 3.14 for \(\pi\). |
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Question 7
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A baseball has a diameter of 2.9 inches. Find the volume of the baseball. Round your answer to the nearest tenth if necessary. Use 3.14 for \(\pi\).
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Question 8
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A basketball has a radius of 4.7 inches. What is its volume to the nearest cubic inch. Use 3.14 for \(\pi\).
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Question 9
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A company is deciding whether to package a ball in a cubic box or a cylindrical box. In either case, the ball will touch the bottom, top, and sides.
a. What portion of the space inside the cylindrical box is empty? Explain.
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Question 9
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b. Find an expression for the volume of the cubic box.
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Question 9
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c. About what portion of the space inside the cubic box is empty? Explain
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ESSENTIAL QUESTION CHECK-IN |
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Question 10
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Explain the steps you use to find the volume of a sphere.
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(show solution)
