document.write( "Question 1075088: A circular swimming pool has a diameter of 60 feet, and is surrounded by a concrete sidewalk that is 5 feet wide. What is the area of the sidewalk? Round to the nearest square foot. Please show steps.\r
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Algebra.Com's Answer #689775 by ikleyn(52799) $\"\"$ $\"About$

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document.write( "The area of the sidewalk is the difference of the areas of the larger circle and the smaller circle.\r\n" );
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document.write( "The smaller circle has the radius of  = 30 feet. Its area is  =  square feet.\r\n" );
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document.write( "The larger circle has the radius of 30+5 = 35 feet. Its area is  =  square feet.\r\n" );
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document.write( "Thus the area of the sidewalk is .\r\n" );
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document.write( "Calculate it on your own.\r\n" );
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