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Length of a fence

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by pepeprepa » Mon Aug 25, 2008 4:25 am
Length of the land:
100 + 100 + the arc

The arc= 1/4*circumference of the circle
The arc= 1/4*2*pi*100
The arc=50*pi
The arc= 50*3.14=157

100+100+157=357
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