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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:214AP GHM

Order: 19

Horizontal side: 214 Vertical side: 214

Elements: 3, 3√2, 6, 9, 12, 14√2, 15√2, 28, 21√2, 28√2, 42, 56, 65, 72, 86, 107, 86√2, 128, 107√2.

Code: 1285 0 86 1074 107 107 1073 214 107 214 128 86 63 149 101 95 149 98 651 214 107 150 143 101 34 146 98 33 149 98 121 158 98 565 158 42 867 0 86 860 86 86 721 158 86 285 158 14 284 186 14 423 214 0 144 172 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)

128
107√2
107
21√2
6
9
65
15√2
3√2
3
12
56
86
86√2
72
28
28√2
42
14√2