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.)

different

| Comment 14 of 19 |

i like that radical 3(1.7320508) times the radius squared for the area of a triangle!!

Posted by ronwilliams on 2005-11-09 10:30:22

Please log in:

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