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Popular Word Problems >

Write the surface area of the sphere as a function of the volume. Use this function to determine the surface area of a sphere with a volume of 125 cm3.

Solution

W r i t e t h e s u r f a ce a re a o f t h e s p h ere a s a f u n c t i o n o f t h e v o l u m e . U se t hi s f u n c t i o n t o d e t er min e t h e s u r f a ce a re a o f a s p h ere w i t h a v o l u m e o f 125 c m 3.

Solution

s u r f a ce a re a : 25 \cdot 3^{\frac{2}{3}} \cdot 4^{\frac{1}{3}} π^{\frac{1}{3}} c m^{2}

+1

Decimal

120.89939 \dots

Solution steps

Given:

v o l u m e : 125 c m^{3}

Sphere radius given

Sphere surface area given

s u r f a ce a re a : 25 \cdot 3^{\frac{2}{3}} \cdot 4^{\frac{1}{3}} π^{\frac{1}{3}} c m^{2}

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