I finally "punted" by hand-entering the implied URL for problem 24 and using your hint of homothetic centers, found a similar solution forthwith, but alas, the program still does not seem to recognize it as a solution.... hmmm?  25 (pentagram inscribed into a circle) was an interesting challenge and again, my solution was not acknowledged by the system either... "sigh"!

I am also stuck at 23, but I'm not sure it is from lack of success...
RVS and RUT "should" match the criteria (using your homothetic centers "R" hint).





I had at least one other approach which *also* failed to "pass".  I'm a little unclear on how the "snap to grid" and/or "snap to intersection" works, which *might* be bolloxing things up?

I'm wondering if *anyone* else took your bait?   I ripped through these "pretty fast" stumbling on 16 I think for a little extra time.
I have to confess I got stuck at Level 23 because, I'm claiming, I wasn't familiar with the geometry of homothetic centers.  Is there a complexity site that does the same sort of thing?  It looks like a great way to extend one's education on an otherwise relatively difficult subject.

Robert C

On 2/27/15 2:54 PM, Robert J. Cordingley wrote:
A new but possibly entertaining productivity sink? http://euclidthegame.com

Robert C

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