Comment by xrisk Comment by xrisk 3 days ago 2 replies Copy Link View on Hacker News Presumably the hypotenuse of a right angled triangle.
Copy Link gilleain 3 days ago Next Collapse Comment - Indeed. Related is the Ammann-Beenker tiling and it's connections to the 'Silver Ratio' of sqrt(2) + 1.* https://en.wikipedia.org/wiki/Silver_ratio* https://en.wikipedia.org/wiki/Ammann%E2%80%93Beenker_tiling Reply View | 0 replies
Copy Link hinkley 3 days ago Prev Collapse Comment - Hypotenuse of a 1x2 unit right triangle, to be precise. By Pythagoras, the square root of any sum of squares can be drawn trivially with a compass and a straight edge. So 2, 5, 7, 10, 13, 17, etc Reply View | 0 replies
Indeed. Related is the Ammann-Beenker tiling and it's connections to the 'Silver Ratio' of sqrt(2) + 1.
* https://en.wikipedia.org/wiki/Silver_ratio
* https://en.wikipedia.org/wiki/Ammann%E2%80%93Beenker_tiling