Squaring.net >> IRTS >> PPIRTSS >> Order 19

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:120BB GHM

Order: 19

Horizontal side: 120 Vertical side: 120

Elements: 2√2, 4, 3√2, 4√2, 6, 11, 9√2, 14, 17, 14√2, 23√2, 37, 40, 43, 46, 37√2, 40√2, 80, 60√2.

Code: 805 0 40 604 60 60 463 120 74 140 74 74 234 97 51 376 83 37 171 77 60 117 77 60 90 88 60 26 77 49 47 79 51 46 79 47 147 83 51 65 77 43 34 80 40 433 83 0 405 0 0 404 40 0 375 83 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

80
60√2
46
14√2
23√2
37√2
17
11
9√2
2√2
4
4√2
14
6
3√2
43
40
40√2
37