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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:206AC GHM

Order: 18

Horizontal side: 206 Vertical side: 206

Elements: 10, 10√2, 20, 15√2, 24, 30, 23√2, 35, 30√2, 46, 34√2, 46√2, 68, 69, 69√2, 103, 137, 103√2.

Code: 1375 0 69 1034 103 103 1033 206 103 344 137 69 106 161 93 205 171 83 351 206 103 243 161 69 105 161 83 302 191 53 301 191 83 152 206 68 697 0 69 690 69 69 464 115 23 463 161 23 683 206 0 234 138 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)

137
103√2
103
34√2
10√2
20
35
24
10
30√2
30
15√2
69
69√2
46√2
46
68
23√2