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A cement company is making 8 solid-cement spheres. Each sphere has a diameter of 2.5 ft. Approximately how much concrete is needed to make all 8 spheres?
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6 votes
A cement company is making 8 solid-cement spheres. Each sphere has a diameter of 2.5 ft.

Approximately how much concrete is needed to make all 8 spheres?

User Altralaser
by
8.0k points

1 Answer

9 votes

65.4ft

Explanation:

Use the volume for a sphere

v=radius3•pi4/3

User Bonnev
by
8.1k points
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