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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:312AP GHM

Order: 19

Horizontal side: 312 Vertical side: 312

Elements: 10, 10√2, 20, 20√2, 21√2, 28√2, 42, 56, 42√2, 72, 51√2, 56√2, 84, 86, 114, 156, 114√2, 198, 156√2.

Code: 1985 0 114 1564 156 156 1563 312 156 424 198 114 423 240 114 212 261 135 721 312 156 510 261 135 1147 0 114 1140 114 114 861 200 114 205 200 94 204 220 94 105 200 84 104 210 84 565 200 28 564 256 28 843 312 0 284 228 0

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)

198
156√2
156
42√2
42
21√2
72
51√2
114
114√2
86
20
20√2
10
10√2
56
56√2
84
28√2