V = 4/3(pi)(r3)
750 = 4/3(3.14159)(r3)
750 = 4.18876(r3)
179.0503 = r3
r ~ 5.6362cm
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A sphere with a volume of 50 units3 has a radius of 2.29 units. A sphere with twice the radius (4.58 units) has a volume of 402 units3.
The formula for the volume of a sphere is based on the radius of the sphere. It is equal to 4/3 multiplied by pi, multiplied by the radius cubed.
The volume of a sphere with a radius of 21 units is: 12,348 units 3
The radius is 4.5135
The surface area of a sphere with a radius of 15 units is 2,827 units2