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August 21, 2014

August 21, 2014

Posted by **Anonymous** on Wednesday, April 16, 2008 at 3:01am.

cos=a^2+b^2-c^2/2ab

cos10.24+32.49-37.21/(2*3.20*5.70)

= 99 degrees

- physics repost -
**Damon**, Wednesday, April 16, 2008 at 5:55amyes, 180 - 81.3 = 98.7

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