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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Volume of a sphere = 4/3*pi*radius3 Surface area of a sphere = 4*pi*radius2
113.1 cubic units.
400 units cubed
V = 3,053.6 cubic meters.
the cylinder is approximately 50240 m3 the sphere is approximately 33493 and 1/3 m3