Refurio AnachroThe 15. and latest type of pentagonal tile to tesselate the plane was found in 2015 by *Mann*, *McLeod*, and *Von Derau*. So, when I attempted to guess which one it was, my eye was drawn to...
What would you say?
part 1, read on...
Number 10! It was the grey one, far right in the middle row. This cool beast was found by *Richard E. James III* in 1975... Not quite the most recent one. But what a beauty!
If you still want to guess, stop reading now!
You can find out a lot more about all of them here:
https://en.wikipedia.org/wiki/Pentagonal_tiling
part 2, read on...
This is the ending part 3 of a #puzzle series, click on it to find the full thread!
Since you're done guessing, I can tell you that the first image has all of them in the same order they appeared historically. #bananas!
For plausible deniability you could claim your failed guess to be your favorite tiling, in the comments...
Thanks to +Brad Murray on g+ for sharing!
https://plus.google.com/+RefurioAnachro/posts/YWzbPeqi9jY
#pentagonal #tile giving a #tesselation of the plane