document.write( "Question 119542:
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document.write( "One angle of a triangle measures 6 degrees more than the second. The third angle measures 4 degrees less than 3 times of the sum of the measures of the first two angles. Find the measures of the three angles.\r
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document.write( "The first angle measures____ degrees, the second_____ degrees, and the third_____degrees. \n" );
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Algebra.Com's Answer #87591 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! let x be the first angle \n" ); document.write( "let x+6 be the next angle \n" ); document.write( "let 3(x+x+6) \n" ); document.write( "x+x+6+3(x+x+6)=180 \n" ); document.write( "2x+6+3(2x+6)=180 \n" ); document.write( "2x+6+6x+18=180 \n" ); document.write( "8x=180-6-18 \n" ); document.write( "8x=156 \n" ); document.write( "x=156/8 \n" ); document.write( "x=19.5 degrees for the smallest angle. \n" ); document.write( "19.5+6=25.5 degrees for the second angle. \n" ); document.write( "3(19.5+25.5) \n" ); document.write( "3(45)=145 the largest angle. \n" ); document.write( "proof \n" ); document.write( "19.5+25.5+145=180 \n" ); document.write( "180=180\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |