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August 1, 2014

August 1, 2014

Posted by **jenna** on Monday, July 4, 2011 at 4:00pm.

- math -
**Damon**, Monday, July 4, 2011 at 4:01pmradius = 15/2

area = pi r^2 = pi (225/4)

- math -
**jenna**, Monday, July 4, 2011 at 4:09pmso its 225pi sq. in?

- math -
**bobpursley**, Monday, July 4, 2011 at 4:42pmexact? One cannot write down

*exactly*irrational numbers, such as PI.

The exact answer is 225/4 * PI

- math -
**Damon**, Monday, July 4, 2011 at 5:01pmpi r^2 = pi D^2/4 = area of circle

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