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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:178AZ1of4 GHM

Order: 19

Horizontal side: 178 Vertical side: 178

Elements: 3√2, 6, 6√2, 12, 9√2, 12√2, 14√2, 28, 21√2, 28√2, 42, 33√2, 47, 56, 68, 89, 68√2, 110, 89√2.

Code: 1105 0 68 894 89 89 893 178 89 214 110 68 330 131 89 471 178 89 687 0 68 680 68 68 94 77 59 66 80 62 125 86 56 124 98 56 36 77 59 65 80 56 561 136 56 282 164 28 281 164 56 142 178 42 423 178 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)

110
89√2
89
21√2
33√2
47
68
68√2
9√2
6√2
12
12√2
3√2
6
56
28√2
28
14√2
42