document.write( "Question 748988: the height of a triangle measures 9 inches more then its base, the area is 45 square inches, the measures of the base and height of the triangle?how do i find \n" ); document.write( "
Algebra.Com's Answer #455733 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! AREA=BH/2 \n" ); document.write( "H=B+9 \n" ); document.write( "45=B(B+9)/2 \n" ); document.write( "45=(B^2+9B)/2 CROSS MULTIPLY. \n" ); document.write( "45*2=B^2+9B \n" ); document.write( "90=B^2+9B \n" ); document.write( "B^2+9B-90=0 \n" ); document.write( "(B+15)(B-6)=0 \n" ); document.write( "B-6=0 \n" ); document.write( "B=6 ANS. FOR THE BASE. \n" ); document.write( "H=6+9=15 ANS. FOR THE HEIGHT. \n" ); document.write( "PROOF: \n" ); document.write( "45=6*15/2 \n" ); document.write( "45=90/2 \n" ); document.write( "45=45 \n" ); document.write( " |