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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:174AU GHM

Order: 19

Horizontal side: 174 Vertical side: 174

Elements: 4, 16√2, 26, 21√2, 32, 26√2, 40, 42, 44, 32√2, 48, 52, 40√2, 42√2, 48√2, 52√2, 63√2, 90, 74√2.

Code: 905 0 84 744 74 100 260 148 174 261 174 174 326 90 116 522 174 96 521 174 148 166 74 100 325 90 84 486 126 48 422 42 42 421 42 84 212 63 63 404 82 44 403 122 44 630 63 63 43 126 44 485 126 0 441 126 44

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)

90
74√2
26√2
26
32√2
52√2
52
16√2
32
48√2
42√2
42
21√2
40√2
40
63√2
4
48
44