February 25, 2017

Homework Help: algebra

Posted by ashley on Friday, October 15, 2010 at 12:31pm.

the sum of the four angle measures of any convex quadrilateral is 360 degrees. if a certain convex quadrilater has angle measures of 60, 2y-10, and 10y+5 degrees, what is an expression for the degrees measure of the fourth angle?

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