document.write( "Question 295431: The height of a triangle is three feet longer than the base. The area of the triangle is 35 square feet. What is the height and base of the triangle? \n" ); document.write( "
Algebra.Com's Answer #212910 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! H=B+3 \n" ); document.write( "A=BH/2 \n" ); document.write( "35=B(B+3)/2 \n" ); document.write( "35=(B^2+3B)/2 \n" ); document.write( "B^2+3B=35*2 \n" ); document.write( "B^2+3B=70 \n" ); document.write( "B^2+3B-70=0 \n" ); document.write( "(B+10)(B-7)=0 \n" ); document.write( "B-7=0 \n" ); document.write( "B=7 ANS. FOR THE BASE. \n" ); document.write( "H=7+3=10 ANS. FOR THE HEIGHT. \n" ); document.write( "PROOF: \n" ); document.write( "35=7*10/2 \n" ); document.write( "35=70/2 \n" ); document.write( "35=35 \n" ); document.write( " |