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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:158AG GHM

Order: 18

Horizontal side: 158 Vertical side: 158

Elements: 10√2, 11√2, 20, 22, 20√2, 22√2, 38, 46, 52, 38√2, 54, 60, 43√2, 46√2, 66, 52√2, 56√2, 60√2.

Code: 665 0 92 564 56 102 460 112 158 461 158 158 106 56 102 205 66 92 204 86 92 520 106 112 521 158 112 545 0 38 434 43 49 116 43 49 225 54 38 224 76 38 600 98 60 601 158 60 385 0 0 384 38 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)

66
56√2
46√2
46
10√2
20
20√2
52√2
52
54
43√2
11√2
22
22√2
60√2
60
38
38√2