document.write( "Question 828836: A circular garden, 20 ft in diameter, has a path around it that is 3 ft wide. Find the area of the path? How much fence is needed if the garden is fenced (not including the path)? \n" ); document.write( "
Algebra.Com's Answer #499539 by TimothyLamb(4379)\"\" \"About 
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\n" ); document.write( "area of garden and path:
\n" ); document.write( "A = pi*13*13
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\n" ); document.write( "area of garden only:
\n" ); document.write( "a = pi*10*10
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\n" ); document.write( "area of path:
\n" ); document.write( "A - a = pi*13*13 - pi*10*10
\n" ); document.write( "A - a = 216.77 sq.ft
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\n" ); document.write( "garden fencing needed:
\n" ); document.write( "c = 2*pi*10
\n" ); document.write( "c = 62.83 ft
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