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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:172AH GHM

Order: 19

Horizontal side: 172 Vertical side: 172

Elements: 7√2, 14, 13√2, 15√2, 26, 28, 26√2, 28√2, 36√2, 39√2, 56, 58, 43√2, 64, 50√2, 72, 57√2, 58√2, 72√2.

Code: 725 0 100 724 72 100 563 144 116 282 172 144 281 172 172 436 129 101 136 75 103 267 88 116 266 88 90 582 172 58 154 129 101 390 75 103 502 50 50 364 36 64 141 50 64 72 57 57 641 114 64 583 172 0 570 57 57

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)

72
72√2
56
28√2
28
43√2
13√2
26
26√2
58√2
15√2
39√2
50√2
36√2
14
7√2
64
58
57√2