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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:228AC GHM

Order: 18

Horizontal side: 228 Vertical side: 228

Elements: 4√2, 20√2, 24√2, 26√2, 27√2, 28√2, 40, 48, 52, 54, 56, 54√2, 80, 94, 67√2, 74√2, 134, 114√2.

Code: 1345 0 94 1144 114 114 746 154 154 403 154 114 485 154 106 204 134 94 46 150 110 563 150 54 282 178 82 244 178 82 523 202 54 262 228 80 945 0 0 674 67 27 803 228 0 276 67 27 545 94 0 544 148 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)

134
114√2
74√2
40
48
20√2
4√2
56
28√2
24√2
52
26√2
94
67√2
80
27√2
54
54√2