document.write( "Question 542741: Karen has to run five laps around a small track with a radius of 40 meters. How far must she run? Use 3.14 for pie. \n" ); document.write( "
Algebra.Com's Answer #354662 by lmeeks54(111)\"\" \"About 
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You need the formula for the perimeter of a circle to solve this one.
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\n" ); document.write( "Let P = the perimeter of the circular track
\n" ); document.write( "Let r = the radius of the circle in meters
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\n" ); document.write( "Given:
\n" ); document.write( "pi = 3.14
\n" ); document.write( "r = 40m
\n" ); document.write( "P = 2pi * r
\n" ); document.write( "...
\n" ); document.write( "First figure out the distance one lap takes...which is the perimeter of the circle (track):
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\n" ); document.write( "P = 2(3.14)(40)
\n" ); document.write( "P = 251.2 meters
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\n" ); document.write( "Then calculate for Karen running around the track 5 times:
\n" ); document.write( "her run = 5 * P
\n" ); document.write( "her run = 5 (251.2)
\n" ); document.write( "her run = 1,256 meters
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\n" ); document.write( "cheers,
\n" ); document.write( "Lee
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