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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:234AQ GHM

Order: 19

Horizontal side: 234 Vertical side: 234

Elements: 2, 2√2, 4, 11√2, 22, 22√2, 42, 43, 32√2, 37√2, 39√2, 41√2, 42√2, 74, 80, 80√2, 117, 154, 117√2.

Code: 1545 0 80 1174 117 117 1173 234 117 374 154 80 110 191 117 431 234 117 220 180 106 221 202 106 322 234 74 43 158 80 22 160 82 21 160 84 422 202 42 421 202 84 416 119 41 807 0 80 800 80 80 394 119 41 743 234 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)

154
117√2
117
37√2
11√2
43
22√2
22
32√2
4
2√2
2
42√2
42
41√2
80
80√2
39√2
74