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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:240AF GHM

Order: 19

Horizontal side: 240 Vertical side: 240

Elements: 2, 12, 9√2, 14, 12√2, 18, 24, 36, 26√2, 34√2, 52, 68, 52√2, 86, 68√2, 77√2, 86√2, 154, 120√2.

Code: 1545 0 86 1204 120 120 526 188 188 683 188 120 525 188 136 145 188 122 264 214 110 686 172 68 27 188 122 363 190 86 127 190 122 120 202 122 344 154 86 247 190 110 865 0 0 864 86 0 96 163 77 187 172 86 770 163 77

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
120√2
52√2
68
52
14
26√2
68√2
2
36
12
12√2
34√2
24
86
86√2
9√2
18
77√2