document.write( "Question 1016598: How to solve the measure of fourth angle of a quadrilateral given the three angles \n" ); document.write( "
Algebra.Com's Answer #632995 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
All four add to 360 degrees, right?
\n" ); document.write( "Well, if you know three of them, can you add those together and subtract that total from 360?
\n" ); document.write( "Of course you can...
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