perplexus.info :: Just Math : Concentric Circles and Equilateral Triangle

Concentric Circles and Equilateral Triangle (Posted on 2018-12-15)

Three concentric circles each have radii 8, 15 and 17.

Find the largest possible area of the equilateral triangle with one vertex on each circle.

No Solution Yet Submitted by Danish Ahmed Khan

Rating: 5.0000 (1 votes)

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

GSP Approximation

| Comment 1 of 2

Geometer's Sketchpad shows the area as being between 215.12 and 215.16. Closer check shows indeed close to 215.14

Posted by Charlie on 2018-12-15 15:51:06

Please log in:

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

Chatterbox:


perplexus dot info