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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:184AI4of4 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 0 184 603 108 124 302 138 154 301 138 184 462 184 138 461 184 184 623 138 92 696 115 69 106 38 114 207 48 124 206 48 104 407 68 124 380 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
60
30√2
30
46√2
46
62
69√2
10√2
20
20√2
40
38√2
8√2
16
92√2
23√2
76