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January 29, 2015

January 29, 2015

Posted by **Jessica** on Wednesday, December 28, 2011 at 8:13pm.

x= pi/8, r=7

- Pre-Cal -
**Damon**, Wednesday, December 28, 2011 at 9:18pmfind the area of the whole circle pi r^2

multiply that by (central angle)/2pi

In this case:

Atotal = pi (49)

so the area of this fraction of the circle is

[(pi/8)/2pi ]pi (49)

=(49/16)pi

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