document.write( "Question 1145527: When a large circular tablecloth has a strip 10cm wide cut from around the edge, the area is reduced by 4710cm^2 What is the radius of the original tablecloth? \n" ); document.write( "

Algebra.Com's Answer #766752 by ikleyn(52781) $\"\"$ $\"About$

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document.write( " = 4710\r\n" );
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document.write( "r^2 - (r-10)^2 = 4710/3.14\r\n" );
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document.write( "r^2 - r^2 + 2r - 100 = 4710/3.14\r\n" );
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document.write( "2r = 4710/3.14 + 100\r\n" );
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document.write( "r =  = 800 cm = 8 meters.    ANSWER\r\n" );
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