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Andre977 Andre977
  • 22-07-2014
  • Mathematics
Answered

Find the circumference and area of the circle whose equation is

(x-9)^2 + (y-3)^2 = 64. Leave the answer in the terms of pi

Verified Answer :

Anonymous Anonymous
  • 22-07-2014

\((x-9)^2+(y-3)^2=64\\\\center\ of\ the\ circle:(9;\ 3)\\\\radius:r=\sqrt{64}=8\\\\circumference:C_O=2\pi r\to C_O=2\pi\cdot8=16\pi\\\\area:A_O=\pi r^2\to A_O=\pi\cdot8^2=64\pi\)

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