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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:296BA GHM

Order: 19

Horizontal side: 296 Vertical side: 296

Elements: 6, 6√2, 12, 18, 18√2, 21√2, 40, 42, 39√2, 40√2, 68, 80, 60√2, 68√2, 108, 148, 108√2, 188, 148√2.

Code: 1885 0 108 1484 148 148 1483 296 148 404 188 108 403 228 108 682 296 80 681 296 148 1087 0 108 1080 108 108 604 168 48 396 189 69 803 296 0 210 189 69 421 210 48 182 228 30 183 228 12 67 210 12 66 210 6 127 216 12

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)

188
148√2
148
40√2
40
68√2
68
108
108√2
60√2
39√2
80
21√2
42
18√2
18
6
6√2
12