document.write( "Question 192231: Please help.
\n" ); document.write( "The area of a trapezoid is given by
\n" ); document.write( "A=1/2h (a+b),
\n" ); document.write( "where h is the height of the trapezoid and a and b are the lengths of the upper and the lower base, respectively.
\n" ); document.write( "solve for a
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Algebra.Com's Answer #144275 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
\"2A%2Fh=a%2Bb\"
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\n" ); document.write( "\"a=%282A%2Fh%29-b\"
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