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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:278AN GHM

Order: 19

Horizontal side: 278 Vertical side: 278

Elements: 8, 24, 32, 24√2, 34, 40, 44, 32√2, 48, 34√2, 39√2, 40√2, 44√2, 78, 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 39 117 325 156 202 324 188 202 240 220 234 241 244 234 83 196 202 487 196 210 402 196 162 401 196 202 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
32
32√2
24√2
24
8
48
40√2
40
122
39√2
78
78√2