document.write( "Question 303236: The base of a triangle is 5cm greater that the height. The area is 42cm squared. Find the height and the base. \n" ); document.write( "
Algebra.Com's Answer #217400 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! A=BH/2 \n" ); document.write( "42=(H+5)H/2 \n" ); document.write( "42=(H^2+5H)/2 \n" ); document.write( "H^2+5H=42*2 \n" ); document.write( "H^2+5H=84 \n" ); document.write( "H^2+5H-84=0 \n" ); document.write( "(H+12)(H-7)=0 \n" ); document.write( "H-7=0 \n" ); document.write( "H=7 cm. ANS. FOR THE HEIGHT. \n" ); document.write( "B=7+5=12 cm. ANS FOR THE BASE. \n" ); document.write( "PROOF: \n" ); document.write( "42=(7+5)7/2 \n" ); document.write( "42=12*7/2 \n" ); document.write( "42=84/2 \n" ); document.write( "42=42 \n" ); document.write( " \n" ); document.write( " |