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3 votes
The volume of a sphere is 80pi cm3. What its is surface area to the nearest whole number

User Aretha
by
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1 Answer

7 votes
Volume = (4/3) * PI * radius^3
80 * PI = (4/3) * PI * radius^3
The 'PI's' cancel out leaving
80 = (4/3) * radius^3
radius^3 = 80/(4/3)
radius^3 = 60

radius = cube root (60)
User Dzzxjl
by
7.7k points
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