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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:280AO GHM

Order: 19

Horizontal side: 280 Vertical side: 280

Elements: 4, 4√2, 8, 6√2, 12, 12√2, 18, 28, 32, 46, 39√2, 46√2, 78, 110, 78√2, 124, 117√2, 124√2, 202.

Code: 2027 0 280 460 202 280 461 248 280 285 248 252 321 280 280 185 248 234 124 260 240 123 272 240 47 272 252 40 276 252 87 272 248 1246 156 124 64 266 234 1176 39 117 1107 156 234 1245 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)

202
46√2
46
28
32
18
12√2
12
4
4√2
8
124√2
6√2
117√2
110
124
39√2
78
78√2