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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Monday, April 19, 2010 at 11:17pm.

- algebra -
**bobpursley**, Monday, April 19, 2010 at 11:24pmA+B=90

A+B/2=81.5

subtract the equations

B/2=8.5 deg

then find B, then go back and find A

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