document.write( "Question 863376: If two angles are supplementary and one angle measures 20 degrees less than twice the other, what are the measures of both angles? \n" ); document.write( "
Algebra.Com's Answer #520363 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! let x be the smaller angle. \n" ); document.write( "let x+20 be the larger angle. \n" ); document.write( "x+(x+20) =180 \n" ); document.write( "2x=180-20 \n" ); document.write( "2z=160 \n" ); document.write( "x=160/2 \n" ); document.write( "x=80 ans. for the smaller angle. \n" ); document.write( "80+20=100 ans. for the larger angle. \n" ); document.write( "Proof: \n" ); document.write( "80+100=180 \n" ); document.write( "180=180 \n" ); document.write( " \n" ); document.write( " |