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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:180BB GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 5, 4√2, 8, 6√2, 8√2, 12, 11√2, 16, 17, 22, 22√2, 23√2, 45√2, 68, 56√2, 90, 68√2, 112, 90√2.

Code: 1125 0 68 904 90 90 903 180 90 224 112 68 60 134 90 234 157 67 456 135 45 163 128 68 82 136 76 121 140 84 175 140 67 83 136 68 42 140 72 53 140 67 685 0 0 684 68 0 116 124 56 227 135 67 560 124 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
23√2
45√2
16
8√2
12
17
8
4√2
5
68
68√2
11√2
22
56√2