document.write( "Question 761857: A round tower with a 10 meter circumference is surrounded by a fence that is 2 meter from the tower all around.How long is the fence? \n" ); document.write( "
Algebra.Com's Answer #463516 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "The circumference of the tower is your \"10\" meters; we need to find a radius
\n" ); document.write( "\"2r%2Api+=10m\"
\n" ); document.write( "\"r=10+m%2F2pi\"
\n" ); document.write( "\"r=5m%2F3.14\"
\n" ); document.write( "\"r=1.59m\"\r
\n" ); document.write( "\n" ); document.write( "a fence that surrounds a tower makes a circle that will have a radius of \"r1=r%2B2=1.59%2B2=3.59\" meters (radius measured from the center of the tower), and will have a circumference of:\r
\n" ); document.write( "\n" ); document.write( " \"2r1%2Api+=+2%2A3.59%2A3.14=+22.55m\" which is the length of a fence\r
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