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March 4, 2015

March 4, 2015

Posted by **Loren** on Friday, May 6, 2011 at 7:40pm.

- Algebra -
**Mgraph**, Friday, May 6, 2011 at 9:05pmAngle EOD=360/5=72

Angle EOC=2*72=144

OCE=(180-144)/2=18

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