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January 31, 2015

January 31, 2015

Posted by **janell** on Sunday, August 26, 2012 at 4:22pm.

- math -
**Henry**, Monday, August 27, 2012 at 5:14pmAb = pi*r^2 = 3.14 * 30^2 = 2837.4 = Area of B.

Ab = Aa + 30Aa = 2827.4

31Aa = 2827.4

Aa = 91.2.

Aa = pi*r^2 = 91.2

r^2 = 91.2 / pi = 29.03

r = 5.4 = Radius of circle A.

- math -
**Henry**, Monday, August 27, 2012 at 5:20pmCorrection: Ab = 2827.4.

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