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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:184AI3of4 GHM

Order: 18

Horizontal side: 184 Vertical side: 184

Elements: 8√2, 10√2, 16, 20, 20√2, 30, 23√2, 40, 30√2, 46, 38√2, 60, 62, 46√2, 76, 69√2, 108, 92√2.

Code: 1087 0 184 403 108 144 202 128 164 301 138 184 462 184 138 461 184 184 203 128 144 102 138 154 623 138 92 306 38 114 607 68 144 696 115 69 380 38 114 86 68 84 167 76 92 920 92 92 234 115 69 767 0 76

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)

108
40
20√2
30
46√2
46
20
10√2
62
30√2
60
69√2
38√2
8√2
16
92√2
23√2
76