document.write( "Question 282516: The base of a triangle is 11 cm more than its height. The area is 90cm^2. What is the measure of the height? \n" ); document.write( "
Algebra.Com's Answer #205136 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! AREA=BH/2 \n" ); document.write( "90=(H+11)H/2 \n" ); document.write( "90=(H^2+11H)/2 \n" ); document.write( "H^2+11H=90*2 \n" ); document.write( "H^2+11H-180=0 \n" ); document.write( "(H+20)(H-9)=0 \n" ); document.write( "H-9=0 \n" ); document.write( "H=9 ANS. FOR THE HEIGHT. \n" ); document.write( "9+11=20 ANS. FOR THE BASE. \n" ); document.write( "PROOF: \n" ); document.write( "90=9*20/2 \n" ); document.write( "90=180/2 \n" ); document.write( "90=90 \n" ); document.write( " \n" ); document.write( " |