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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:278AQ GHM

Order: 19

Horizontal side: 278 Vertical side: 278

Elements: 4√2, 8, 8√2, 16, 16√2, 34, 28√2, 44, 34√2, 39√2, 56, 44√2, 78, 56√2, 78√2, 122, 117√2, 122√2, 200.

Code: 2007 0 278 440 200 278 441 244 278 342 278 244 341 278 278 1226 156 122 1176 39 117 562 212 178 561 212 234 282 240 206 164 228 218 163 244 218 84 236 210 83 244 210 44 240 206 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
34√2
34
122√2
117√2
56√2
56
28√2
16√2
16
8√2
8
4√2
122
39√2
78
78√2