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Anonymous Anonymous
  • 14-07-2014
  • Mathematics
Answered

Find the Surface Area and Volume of Sphere with radius 12 cm.

Verified Answer :

Anonymous Anonymous
  • 14-07-2014

\(Radius:r=12cm\\\\Surface\ area:\\A=4\pi r^2\to A=4\pi\cdot12^2=4\pi\cdot144=576\pi\ (cm^2)\\\\Volume:\\V=\frac{4}{3}\pi r^3\to V=\frac{4}{3}\pi\cdot12^3=\frac{4}{3}\pi\cdot1728=4\pi\cdot576=2304\pi\ (cm^3)\)

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AL2006
AL2006 AL2006
  • 14-07-2014

The surface area of a sphere is 4 pi R² = 576 pi = 1,809.6 cm² (rounded)

The volume of a sphere is 4/3 pi R³ = 2,304 pi = 7,238.2 cm³ (rounded)

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