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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:278AM GHM

Order: 19

Horizontal side: 278 Vertical side: 278

Elements: 2, 8, 6√2, 10, 8√2, 12, 16, 22√2, 34, 44, 39√2, 44√2, 78, 78√2, 112, 122, 117√2, 122√2, 200.

Code: 2007 0 278 440 200 278 441 244 278 222 266 256 341 278 278 66 260 250 125 266 244 163 260 234 82 268 242 21 268 244 107 268 244 1226 156 122 83 268 234 1176 39 117 1127 156 234 1225 156 0 390 39 117 787 0 78 780 78 78

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)

200
44√2
44
22√2
34
6√2
12
16
8√2
2
10
122√2
8
117√2
112
122
39√2
78
78√2