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January 30, 2015

January 30, 2015

Posted by **logan** on Friday, February 8, 2013 at 6:09pm.

- math -
**Ms. Sue**, Friday, February 8, 2013 at 6:12pmA = pi * r^2

A = 3.14 * 9^2

- math -
**Steve**, Friday, February 8, 2013 at 6:13pmexact answer is 81*pi

expand to as many decimal places as you want.

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