document.write( "Question 162681: find the measure of an angle if its suppliment measures 12degrees less than three times its compliment
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Algebra.Com's Answer #119898 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "supplement is when two angles summed together is 180 deg. \n" ); document.write( "complement is when two angles summed together is 90 deg. \n" ); document.write( ". \n" ); document.write( "Let x = \"the angle\" \n" ); document.write( "then \n" ); document.write( "90-x = the complement \n" ); document.write( "180-x = the supplement \n" ); document.write( ". \n" ); document.write( "180-x = 3(90-x)-12 \n" ); document.write( "180-x = 270-3x-12 \n" ); document.write( "180-x = 258-3x \n" ); document.write( "180+2x = 258 \n" ); document.write( "2x = 78 \n" ); document.write( "x = 39 degrees (measure of the angle)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |