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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:204AQ GHM

Order: 19

Horizontal side: 204 Vertical side: 204

Elements: 7, 7√2, 10, 14, 10√2, 20, 21, 20√2, 21√2, 40, 35√2, 52, 40√2, 62, 82, 102, 82√2, 122, 102√2.

Code: 1225 0 82 1024 102 102 1023 204 102 204 122 82 203 142 82 102 152 92 621 204 102 103 152 82 525 152 40 827 0 82 820 82 82 354 117 47 216 131 61 143 131 47 215 131 40 74 124 40 73 131 40 404 164 0 403 204 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)

122
102√2
102
20√2
20
10√2
62
10
52
82
82√2
35√2
21√2
14
21
7√2
7
40√2
40