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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:170AZ3of4 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 65 111 79 591 170 85 75 111 72 34 114 76 10 117 79 20 116 78 21 118 78 525 118 26 41 118 76 727 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
6
59
7
3√2
1√2
2√2
2
52
4
72
72√2
46
26√2
26