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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:180BA GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 3√2, 6, 6√2, 12, 12√2, 20, 22, 22√2, 32, 23√2, 44, 46, 56, 46√2, 68, 56√2, 68√2, 112, 90√2.

Code: 1125 0 68 904 90 90 466 134 134 443 134 90 465 134 88 224 112 68 223 134 68 205 134 68 234 157 65 323 180 56 685 0 0 684 68 0 120 136 68 121 148 68 62 154 62 61 154 68 32 157 65 560 124 56 561 180 56

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)

112
90√2
46√2
44
46
22√2
22
20
23√2
32
68
68√2
12√2
12
6√2
6
3√2
56√2
56