document.write( "Question 940998: find the value of x as it relates to each rectangle or triangle. area = 20in, base=x, height=x+3
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Algebra.Com's Answer #573604 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
I'm assuming this is a triangle (?).
\n" ); document.write( " $\"A=%281%2F2%29bh\"$
\n" ); document.write( " $\"20=%281%2F2%29x%28x%2B3%29\"$
\n" ); document.write( " $\"x%28x%2B3%29=40\"$
\n" ); document.write( " $\"x%5E2%2B3x-40=0\"$
\n" ); document.write( " $\"%28x%2B8%29%28x-5%29=0\"$
\n" ); document.write( "Only positive lengths make sense in this problem.
\n" ); document.write( " $\"x-5=0\"$
\n" ); document.write( " $\"x=5\"$
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