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February 28, 2015

February 28, 2015

Posted by **zainab** on Wednesday, May 4, 2011 at 6:42pm.

- algebra -
**PsyDAG**, Thursday, May 5, 2011 at 11:12amA = π r^2

Difference (24π) = (2r-3)^2π - r^2π

Divide both sides by π .

24 = (2r-3)^2 - r^2

I'll let you calculate the rest.

- algebra -
**Anonymous**, Sunday, January 25, 2015 at 12:02pmr^2=1

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