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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:176AC GHM

Order: 18

Horizontal side: 176 Vertical side: 176

Elements: 4, 4√2, 12√2, 24, 19√2, 23√2, 24√2, 38, 42, 46, 48, 38√2, 46√2, 48√2, 84, 88, 92, 88√2.

Code: 925 0 84 884 88 88 883 176 88 44 92 84 43 96 84 382 134 50 381 134 88 192 153 69 421 176 88 845 0 0 484 48 36 483 96 36 230 153 69 460 130 46 461 176 46 244 72 12 243 96 12 124 84 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)

92
88√2
88
4√2
4
38√2
38
19√2
42
84
48√2
48
23√2
46√2
46
24√2
24
12√2