document.write( "Question 120909: I need help with this word problem, I've tried everything, but can't get a real answer:
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document.write( "The altitude of a triangle is 8cm longer than the base. If the area of a triangle is 24cm, find the altitude. \n" );
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Algebra.Com's Answer #88709 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! area=bh/2 \n" ); document.write( "h=b+8 \n" ); document.write( "area=b(b+8)/2 \n" ); document.write( "24=(b^2+8b)/2 now cross multiply. \n" ); document.write( "b^2+8b=48 \n" ); document.write( "b^2+8b-48=0 \n" ); document.write( "(b+12)(b-4)=0 \n" ); document.write( "b-4=0 \n" ); document.write( "b=4 answer for the base. \n" ); document.write( "h=4+8=12 answer for the height. \n" ); document.write( "proof \n" ); document.write( "24=4*12/2 \n" ); document.write( "24=48/2 \n" ); document.write( "24=24 \n" ); document.write( " |