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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:170AZ1of4 GHM

Order: 19

Horizontal side: 170 Vertical side: 170

Elements: 1√2, 2, 2√2, 4, 3√2, 6, 7, 13, 13√2, 26, 26√2, 46, 52, 59, 72, 85, 98, 72√2, 85√2.

Code: 985 0 72 854 85 85 853 170 85 134 98 72 133 111 72 32 114 82 591 170 85 26 112 80 45 114 78 16 111 79 25 112 78 75 111 72 61 118 78 525 118 26 727 0 72 720 72 72 461 118 72 264 144 0 263 170 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)

98
85√2
85
13√2
13
3√2
59
2√2
4
1√2
2
7
6
52
72
72√2
46
26√2
26