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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:176AG GHM

Order: 18

Horizontal side: 176 Vertical side: 176

Elements: 2, 2√2, 9√2, 11√2, 22, 26, 28, 20√2, 26√2, 28√2, 40, 48, 40√2, 68, 88, 68√2, 108, 88√2.

Code: 1085 0 68 884 88 88 883 176 88 204 108 68 116 117 77 225 128 66 481 176 88 90 117 77 687 0 68 680 68 68 284 96 40 283 124 40 27 124 68 20 126 68 267 124 66 260 150 66 404 136 0 403 176 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)

108
88√2
88
20√2
11√2
22
48
9√2
68
68√2
28√2
28
2
2√2
26
26√2
40√2
40