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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:252AB GHM

Order: 19

Horizontal side: 252 Vertical side: 252

Elements: 14√2, 28, 21√2, 28√2, 42, 36√2, 56, 41√2, 62, 72, 56√2, 82, 88, 92, 72√2, 108, 82√2, 88√2, 108√2.

Code: 1087 0 252 1086 0 144 627 108 252 416 129 211 827 170 252 826 170 170 210 129 211 427 108 190 140 150 190 280 136 176 281 164 176 882 252 88 562 164 92 561 164 148 722 72 72 923 164 0 883 252 0 723 72 0 362 108 36

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)

108
108√2
62
41√2
82
82√2
21√2
42
14√2
28√2
28
88√2
56√2
56
72√2
92
88
72
36√2