perplexus.info :: Calculus : The Watchdog

The Watchdog (Posted on 2004-10-28)

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)

Comments: ( Back to comment list | You must be logged in to post comments.)

re(2): Give it a go

| Comment 13 of 29 |

(In reply to re: Give it a go by bob909)

Yeah, that was my initial thought too. And then I kind of went "wait a sec" like you =) It's all good. Enjoy!

Posted by nikki on 2004-10-29 12:45:43

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