perplexus.info :: Geometry : Circles surrounding circles I

Circles surrounding circles I (Posted on 2024-08-30)

Two unit circles are completely enclosed by a ring of four identical circles. Find the minimum radius of the surrounding circles.

Note: A ring of circles is a set where each is externally tangent to exactly two others and they enclose a single region.

No Solution Yet Submitted by Jer

No Rating

Comments: ( You must be logged in to post comments.)

	Subject	Author	Date
	soln	Steven Lord	2024-08-30 10:03:58

Please log in:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info