document.write( "Question 145342: find diffrence between are of circular table with diameter of 8ft and circular table with diameter 10 ft. round answer to nearst hundredth. \n" ); document.write( "
Algebra.Com's Answer #106016 by nerdybill(7384)\"\" \"About 
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Area of a circle = pi(r^2)\r
\n" ); document.write( "\n" ); document.write( "circular table w/diameter of 8ft has a radius of 4ft.
\n" ); document.write( "circular table w/diameter of 10ft has a radius of 5ft.\r
\n" ); document.write( "\n" ); document.write( "area of circular table w/diameter of 8ft = pi(4^2)
\n" ); document.write( "area of circular table w/diameter of 10ft = pi(5^2)\r
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\n" ); document.write( "\n" ); document.write( "Difference in area:
\n" ); document.write( "pi(5^2) - pi(4^2)
\n" ); document.write( "= pi(25) - pi(16)
\n" ); document.write( "= pi(25-16)
\n" ); document.write( "= pi(9)
\n" ); document.write( "= 3.14(9)
\n" ); document.write( "= 28.26
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