perplexus.info :: Shapes : Circular Fun

Circular Fun (Posted on 2005-07-28)

When you draw three circles of radius r such that all three are externally tangent, what is the area of the shape in the center in terms of r?

See The Solution Submitted by Justin

Rating: 3.2857 (7 votes)

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

"externally tangent"=?

| Comment 7 of 19 |

Confused me. I would have worded the problem, "What is the area of the inner triangle-like region formed when three circles are placed tightly together?"

Posted by Jason Taylor on 2005-07-30 03:07:20

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info