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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:146AR GHM

Order: 18

Horizontal side: 146 Vertical side: 146

Elements: 5√2, 7√2, 10, 9√2, 14, 18, 17√2, 18√2, 22√2, 32, 34, 39, 34√2, 56, 73, 56√2, 90, 73√2.

Code: 905 0 56 734 73 73 733 146 73 174 90 56 70 107 73 391 146 73 103 100 56 52 105 61 141 114 66 325 114 34 90 105 61 567 0 56 560 56 56 224 78 34 180 96 52 181 114 52 344 112 0 343 146 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)

90
73√2
73
17√2
7√2
39
10
5√2
14
32
9√2
56
56√2
22√2
18√2
18
34√2
34