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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:180BD GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 2, 8, 6√2, 10, 8√2, 12, 11√2, 16, 22, 22√2, 23√2, 34, 56, 68, 56√2, 90, 68√2, 112, 90√2.

Code: 1125 0 68 904 90 90 903 180 90 224 112 68 66 128 84 125 134 78 234 157 67 343 180 56 163 128 68 82 136 76 21 136 78 107 136 78 223 146 56 112 157 67 83 136 68 685 0 0 684 68 0 560 124 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
90
22√2
6√2
12
23√2
34
16
8√2
2
10
22
11√2
8
68
68√2
56√2
56