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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218BM GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 2, 10√2, 14√2, 20, 20√2, 30, 24√2, 35, 40, 34√2, 35√2, 37√2, 38√2, 72, 74, 72√2, 109, 146, 109√2.

Code: 1465 0 72 1094 109 109 1093 218 109 374 146 72 350 183 109 351 218 109 23 148 72 307 148 74 206 158 54 407 178 74 743 218 0 727 0 72 720 72 72 384 110 34 146 134 58 240 134 58 106 148 44 205 158 34 344 144 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)

146
109√2
109
37√2
35√2
35
2
30
20√2
40
74
72
72√2
38√2
14√2
24√2
10√2
20
34√2