document.write( "Question 572451: How many square feet of surface are in one wall of a swimming pool 80ft long , 3ft deep at one end, and 16ft deep at the other? \n" ); document.write( "
Algebra.Com's Answer #368417 by rfer(16322)\"\" \"About 
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make a triangle 80X13
\n" ); document.write( "figure that area.
\n" ); document.write( "(80*13)/2=520 sqft
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\n" ); document.write( "a rectangle 3X80
\n" ); document.write( "3*80=240
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\n" ); document.write( "total the two answers
\n" ); document.write( "520+240=760 sqft
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