Monday, July 20, 2009

Specialized High Problem (Area - Circumference)




Using the comment option, show us how to solve this problem.
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3 comments:

  1. Victor WongJuly 21, 2009 at 11:31 AM

    First, you multiply 2.5 and the formula for circumference which is 2(pi)r. The product is 5(pi)r. 5(pi)r is the area so it becomes like this.

    (pi)r^2 = 5(pi)r
    Divide both sides by (pi)r
    r=5

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  2. Mr. J. SoroccoJuly 21, 2009 at 6:17 PM

    Very good Victor.

    ReplyDelete
  3. UnknownJuly 23, 2009 at 7:01 PM

    P=(Pi)r2
    (Pi)r2=2.5(2(pi)2)
    P=2.5q

    (Pi)r2 = 5(pi)r
    ------ ------
    (Pi)r (Pi)r
    ----------------
    r=5

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