Maths / Surface Area and Volume / Volume of Sphere

QUESTION
 

The surface area of a sphere is large 314frac{2}{7}cm^2. What is its volume ?

EXPLANATION
Explain TypeExplanation Content
Text

Surface area of sphere = 4 pi r^2

314frac{2}{7}=4times frac{22}{7}times r^2 frac{2200}{7}=4times frac{22}{7}times r^2 r^2=25 r=5cm Volume : of: sphere=frac{4}{3}pi r^3 =frac{4}{3}times frac{22}{7}times 5times 5times 5 523.81: cm^3

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