What is the volume of a sphere if its r=21m?

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01-12-2016
Mathematics

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What is the volume of a sphere if its r=21m?

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MatCauthon MatCauthon · Answer 1 · 2016-12-01T07:39:18+01:00

MatCauthon MatCauthon

01-12-2016

Recall that the volume of a sphere is described as 4/3pi(r^3). substituting in 21 for r, we get (4*(21^3)/3)pi. this simplifies (I think) to 12068pi. adding the units, you get 12068pi m^3

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apologiabiology apologiabiology · Answer 2 · 2016-12-01T08:52:43+01:00

apologiabiology apologiabiology

01-12-2016

V=(4/3)pir^3
r=21
V=(4/3)pi21^3
V=(4/3)pi9261
V=(37044/3)pi
V=12348pi
V=12348pi m³ or aprox 38792.378016 m³

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