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December 20, 2014

December 20, 2014

Posted by **cindy** on Monday, September 14, 2009 at 7:12pm.

- 6th grade -
**bobpursley**, Monday, September 14, 2009 at 7:16pmif you take any angle, and move the sides so the angle is 180 degrees, it makes a straight line. Look at your protractor...

http://www.mathsisfun.com/geometry/images/protractor.gif

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