document.write( "Question 951090: the ratio of the measures of two supplementary angles is 7:2 . find the value of x and the measures of each angle
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Algebra.Com's Answer #580829 by edjones(8007)![]() ![]() You can put this solution on YOUR website! Let x and y be the 2 angles. \n" ); document.write( "x+y=180 \n" ); document.write( "7x=2y \n" ); document.write( "x=2y/7 \n" ); document.write( "2y/7 + y = 180 \n" ); document.write( "2y+7y=1260 \n" ); document.write( "9y=1260 \n" ); document.write( "y=140 \n" ); document.write( "x=280/7=40 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |