Hi Robert, Steve, One way to arrive at a solution is to make a third circle with radius r2 - r1 (https://en.wikipedia.org/wiki/Tangent_lines_to_circles). This reduces the problem to finding a tangent to a point outside of the new circle ( https://en.wikipedia.org/wiki/Thales%27_theorem, bottom figure for instance). Since the tangent is invariant to this type of transformation, you can scale your solution to the original circles. Interesting game; thanks for posting.
Best, Shawn On Sun, Mar 1, 2015 at 11:43 PM, Steve Smith <[email protected]> wrote: > 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 > <http://en.wikipedia.org/wiki/Homothetic_center>. 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 > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > > > > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com >
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