document.write( "Question 740771:
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document.write( "find the measure of the three angles of a triangle if the second angle is 8 degrees less than three times the first and the third is one degrees more than seven times the first \n" );
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Algebra.Com's Answer #451720 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 3F-8=S \n" ); document.write( "T=7F+1 \n" ); document.write( "F+S+T=180 \n" ); document.write( "F+3F-8+7F+1=180 \n" ); document.write( "11F=180+8-1 \n" ); document.write( "11F=187 \n" ); document.write( "F=187/11 \n" ); document.write( "F=17 DEGREES FOR THE FIRST ANGLE. \n" ); document.write( "S=3*17-8 \n" ); document.write( "S=51-8 \n" ); document.write( "S=43 DEGREES FOR THE SECOND ANGLE. \n" ); document.write( "T=7*17+1 \n" ); document.write( "T=119+1 \n" ); document.write( "T=120 DEGREES FOR THE THIRD ANGLE. \n" ); document.write( "PROOF: \n" ); document.write( "17+43+120=180 \n" ); document.write( "180=180 \n" ); document.write( " |