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September 21, 2014

September 21, 2014

Posted by **Jessica** on Thursday, May 3, 2012 at 3:35pm.

a. 5 squared cm

b. 10 squared cm

c. 50 sqaurred cm

d. 156.25 squared cm

- geometry -
**Steve**, Thursday, May 3, 2012 at 4:19pma=pi*r^2

25pi = pi*r^2

25 = r^2

r = 5

so, c = 2pi*r = 10pi

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