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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:178BG3of4 GHM

Order: 19

Horizontal side: 178 Vertical side: 178

Elements: 4√2, 8, 8√2, 11√2, 16, 12√2, 22, 16√2, 22√2, 33, 28√2, 44, 56, 61, 45√2, 61√2, 89, 117, 89√2.

Code: 1175 0 61 894 89 89 893 178 89 284 117 61 443 145 45 222 167 67 331 178 89 223 167 45 112 178 56 617 0 61 610 61 61 164 77 45 46 89 57 87 93 61 86 93 53 167 101 61 120 89 57 563 178 0 454 122 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)

117
89√2
89
28√2
44
22√2
33
22
11√2
61
61√2
16√2
4√2
8
8√2
16
12√2
56
45√2