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v= 4/3 πr³

plug in your known volume and solve for r

if the volume is 1000

1000= 4/3πr³ times by 3 to clear fractions

3000 = 4πr³ divide by 4π on both sides

3000/4π = r³

750/π = r³ now take the cube root of both sides

I plugged this in to a calculator

(750/π )^(1/3) 6.2035 = r the radius

TADA!

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12y ago

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