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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:174AW GHM

Order: 19

Horizontal side: 174 Vertical side: 174

Elements: 26, 20√2, 21√2, 24√2, 26√2, 40, 29√2, 42, 32√2, 48, 52, 40√2, 58, 42√2, 48√2, 52√2, 61√2, 63√2, 90.

Code: 907 0 174 616 29 113 425 90 132 424 132 132 636 111 111 402 130 92 214 111 111 290 29 113 403 130 52 202 150 72 587 0 84 320 58 84 240 150 72 266 0 26 525 26 0 524 78 0 480 126 48 481 174 48 265 0 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)

90
61√2
42
42√2
63√2
40√2
21√2
29√2
40
20√2
58
32√2
24√2
26√2
52
52√2
48√2
48
26