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The Watchdog (Posted on 2004-10-28) Difficulty: 5 of 5
A watchdog is tied to the outside wall of a round building 20 feet in diameter. If the dog's chain is long enough to wind half way around the building, how large an area can the watchdog patrol?

See The Solution Submitted by Erik O.    
Rating: 3.4000 (5 votes)

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answer Comment 29 of 29 |
The required area is approximately 2583.8564 square feet.

Edited on August 23, 2007, 1:39 am
  Posted by K Sengupta on 2007-08-23 01:39:15

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