document.write( "Question 878859: A square plot of land has a building 70 ft long and 20 ft wide at one corner. The rest of the land outside the building forms a parking lot. If the parking lot has area 21,100 ft2, what are the dimensions of the entire plot of land? \n" ); document.write( "

Algebra.Com's Answer #530335 by josgarithmetic(39617) $\"\"$ $\"About$

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x = side length of the square region including where the building.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Parking Lot plus Building Lot = $\"x%5E2\"$ square feet.
\n" ); document.write( " $\"21100%2B70%2A20=x%5E2\"$
\n" ); document.write( " $\"x%5E2=21100%2B1400\"$
\n" ); document.write( " $\"x%5E2=22500\"$
\n" ); document.write( " $\"x%5E2=100%2A9%2A25\"$
\n" ); document.write( " $\"x=10%2A3%2A5\"$
\n" ); document.write( " $\"highlight%28x=150%29\"$ , side length of the entire land plot. \n" ); document.write( "

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