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January 29, 2015

January 29, 2015

Posted by **punk480** on Sunday, April 22, 2012 at 11:46am.

If the area of the deck is 68π square feet, what is x, the width of the deck?

- geometry -
**Damon**, Sunday, April 22, 2012 at 12:34pmx = r - 16

pi (r^2 - 16^2) = 68 pi

so

r^2 - 16^2 = 68

r^2 = 324

r = 18

x = 18-16 = 2 feet

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