Homework Help Forum: geometry

Posted by David on Thursday, October 8, 2009 at 10:51pm.

Find a function that models the area A of a circle in terms of its circumference C.

• geometry - MathMate, Thursday, October 8, 2009 at 11:40pm

  A=πr² .... (1) C=2πr, therefore r=C/(2π) ...(2) Substitute (2) in (1) to get A in terms of C and π.

  
  

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