document.write( "Question 479481: DEF and ABC are supplementary angles and DEF is four times as large as ABC. Determine the measure of each angle. \n" ); document.write( "
Algebra.Com's Answer #332586 by cleomenius(959)\"\" \"About 
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4x + x = 180
\n" ); document.write( "5x = 180
\n" ); document.write( "x = 36 degrees
\n" ); document.write( "4x = 144 degrees
\n" ); document.write( "144 degrees+ 36 degrees = 180 degrees
\n" ); document.write( "Cleomenius.
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