Length of a fence

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mehravikas: Legendary Member; Posts: 1161; Joined: Mon May 12, 2008 2:52 amFollowed by: 1 member; Location: Sydney; Thanked: 23 times

by mehravikas » Mon Aug 25, 2008 3:55 am

Need help on this one.

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Source: Beat The GMAT — Problem Solving | Mon Aug 25, 2008 3:55 am

pepeprepa: Legendary Member; Posts: 661; Joined: Tue Jul 08, 2008 12:58 pm; Location: France; Thanked: 48 times

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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