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January 26, 2015

January 26, 2015

Posted by **kayla** on Thursday, September 4, 2008 at 7:08pm.

- math -
**bobpursley**, Thursday, September 4, 2008 at 7:11pmarea of border= (outerradius^2-innerradius^2) * PI

27= 1/4 ft*area border

solve for outerradius.

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