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document.write( "The larger of two supplementary angles is 20° less than four times the smaller find the measure of each angle \n" );
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Algebra.Com's Answer #427213 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! X=4Y-20 \n" ); document.write( "X+Y=180 \n" ); document.write( "(4Y-20)+Y=180 \n" ); document.write( "5Y=180+20 \n" ); document.write( "5Y=200 \n" ); document.write( "Y=200/5 \n" ); document.write( "Y=40 DEGREES FOR THE SMALLER ANGLE. \n" ); document.write( "X=4*40-20 \n" ); document.write( "Y=160-20 \n" ); document.write( "Y=140 DEGREES FOR THE LARGER ANGLE. \n" ); document.write( "PROOF: \n" ); document.write( "40+140=180 \n" ); document.write( "180=180 \n" ); document.write( " |