document.write( "Question 489606: the altitude of a triangle is 4m longer than the base. If its area is 126 square meter, find the length of the altitude.\r
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document.write( "can somebody answer this problem..thank you! \n" );
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Algebra.Com's Answer #333703 by mananth(16946)![]() ![]() You can put this solution on YOUR website! base =x \n" ); document.write( "altitude= (x+4)\r \n" ); document.write( "\n" ); document.write( "1/2*x*(x+4)=126 \n" ); document.write( "x^2+4x=252 \n" ); document.write( "x^2+4x-252=0\r \n" ); document.write( "\n" ); document.write( "x^2+18x-14x-252=0 \n" ); document.write( "x(x+18)-14(x+18)=0 \n" ); document.write( "(x+18)(x-14)=0 \n" ); document.write( "x= 14m which is positive. \n" ); document.write( "base = 14 height = 14+4=18m \n" ); document.write( " |