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What is the volume of a sphere if it's greater circle has an area of 9pi cm?
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What is the volume of a sphere if it's greater circle has an area of 9pi cm?

User Frostmatthew
by
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1 Answer

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Area of circle = π · r²
9 π = π · r²
9 = r²
3 = r

Volume of sphere = (4/3)π · r³
= (4/3)π · (3)³
= 4π · 3²
= 4π · 9
= 36π

Answer: the volume of the sphere is 36π
User RyanQuey
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