![](/images/dot.gif)
Home > Just Math > Calculus
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?
|
Submitted by Erik O.
|
Rating: 3.4000 (5 votes)
|
|
Solution:
|
(Hide)
|
The short answer is: PI^3 * 250 / 3 feet.
A formal proof will follow... |
Comments: (
You must be logged in to post comments.)
|
![](/images/dot.gif) |
Please log in:
Forums (0)
Newest Problems
Random Problem
FAQ |
About This Site
Site Statistics
New Comments (5)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox:
|