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December 19, 2014

December 19, 2014

Posted by **Abbey** on Monday, March 29, 2010 at 4:35pm.

A) 8pi/9 B) 8pi/45

For 8pi/9 I added 18pi/9 which equals 26pi/9 - 18pi/9 = -10pi/9.

I do not know how to find the positive one for 8pi/9 and I do not know what to do for b.

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