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document.write( "the base of the triangle is 1 m less than its height and the area is 15m .find the height
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Algebra.Com's Answer #446785 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! A=BH/2 \n" ); document.write( "15=(H-1)H/2 \n" ); document.write( "15=(H^2-H)/2 CROSS MULTIPLY \n" ); document.write( "2*15=H^2-H \n" ); document.write( "30=H^2-H \n" ); document.write( "H^2-H-30=0 \n" ); document.write( "(H-6)(H+5)=0 \n" ); document.write( "H-6=0 \n" ); document.write( "H=6 ANS FOR THE HEIGHT. \n" ); document.write( "PROOF: \n" ); document.write( "15=(6-1)6/2 \n" ); document.write( "15=5*6/2 \n" ); document.write( "15=30/2 \n" ); document.write( "15=15 \n" ); document.write( " \n" ); document.write( " |