document.write( "Question 838604: A triangle has a Base length of x + 4 and a perpendicular height of x + 3, it's area is 10cm^2.
\n" );
document.write( "Find x
\n" );
document.write( "Find the Base and Height of the Triangle\r
\n" );
document.write( "\n" );
document.write( "I've tried a variety of methods and no matter what the Area ends up being 15cm^2, so obviously my height and Base Length are wrong. \n" );
document.write( "
Algebra.Com's Answer #505158 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! A triangle has a Base length of x + 4 and a perpendicular height of x + 3, it's area is 10cm^2. \n" ); document.write( "Find x \n" ); document.write( "Find the Base and Height of the Triangle \n" ); document.write( "*** \n" ); document.write( "Area of a triangle=1/2*base*height \n" ); document.write( "(1/2)(x+4)(x+3)=10 \n" ); document.write( "(x+4)(x+3)=20 \n" ); document.write( "x^2+7x+12=20 \n" ); document.write( "x^2+7x-8=0 \n" ); document.write( "(x+8)(x-1)=0 \n" ); document.write( "x=-8(reject) \n" ); document.write( "or \n" ); document.write( "x=1 \n" ); document.write( "Base=x+4=5cm \n" ); document.write( "Height=x+3=4cm \n" ); document.write( " |