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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:278AL GHM

Order: 19

Horizontal side: 278 Vertical side: 278

Elements: 2, 2√2, 12, 10√2, 16, 12√2, 18, 16√2, 34, 44, 39√2, 44√2, 78, 78√2, 112, 122, 117√2, 122√2, 200.

Code: 2007 0 278 440 200 278 441 244 278 162 260 262 341 278 278 163 260 246 185 260 244 127 244 246 120 256 246 24 258 244 23 260 244 104 268 234 1226 156 122 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
16√2
34
16
18
12
12√2
2√2
2
10√2
122√2
117√2
112
122
39√2
78
78√2