document.write( "Question 106401This question is from textbook
\n" ); document.write( ": hi please help me i dont understand this problem \r
\n" ); document.write( "\n" ); document.write( "in equilateral triangle DEF, Measure of angle D = x+y
\n" ); document.write( "and measure of angle E = 2x-y\r
\n" ); document.write( "\n" ); document.write( "find x and y\r
\n" ); document.write( "\n" ); document.write( "please answer thanks a lott\r
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Algebra.Com's Answer #77413 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
Since it is an equilateral triangle, all angles are 60 deg.
\n" ); document.write( "x+y=60
\n" ); document.write( "2x-y=60
\n" ); document.write( "--------add
\n" ); document.write( "3x=120
\n" ); document.write( "x=40 deg
\n" ); document.write( "y=20 deg
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\n" ); document.write( "Ed
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