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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:166AG2of4 GHM

Order: 19

Horizontal side: 166 Vertical side: 166

Elements: 9√2, 12√2, 18, 24, 18√2, 24√2, 36, 28√2, 46, 48, 36√2, 37√2, 56, 64, 46√2, 72, 74, 56√2, 74√2.

Code: 745 0 92 744 74 92 180 148 166 181 166 166 360 130 148 361 166 148 483 94 64 727 94 112 566 110 56 462 46 46 374 37 55 96 37 55 645 46 0 244 70 40 243 94 40 286 82 28 565 110 0 463 46 0 124 82 28

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)

74
74√2
18√2
18
36√2
36
48
72
56√2
46√2
37√2
9√2
64
24√2
24
28√2
56
46
12√2