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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:180AF GHM

Order: 18

Horizontal side: 180 Vertical side: 180

Elements: 1√2, 6, 8, 7√2, 8√2, 16, 22, 16√2, 28, 34, 28√2, 56, 68, 56√2, 62√2, 68√2, 112, 90√2.

Code: 1125 0 68 904 90 90 626 118 118 283 118 90 345 118 84 221 112 90 72 119 83 61 118 90 14 119 83 86 112 76 165 120 68 164 136 68 280 152 84 85 112 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
62√2
28
34
22
7√2
6
1√2
8√2
16
16√2
28√2
8
68
68√2
56√2
56