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How do you find the volume of a frustum?

Updated: 4/28/2022
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15y ago

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If it is the frustum of a pyramid: The volume of a pyramid (with a square base) is: Length_of_base * Width_of_base * Height * 1/3 To get the volume of the frustum, subtract the volume of the top part (also a pyramid) from the full volume.

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frustum of a cone

the formula is

(h*pi)/3*(r1^2+r2^2+r1*r2)

this is where h = height r1= top radius r2=bottom radius

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15y ago
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Q: How do you find the volume of a frustum?
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The Answers community requested more information for this question. Please edit your question to include more context. I order to calculate the volume it is necessary to have some information of the height. This can be the height of the frustum, the eight of the whole pyramid, the angle of the sloped faces.