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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:176AH GHM

Order: 18

Horizontal side: 176 Vertical side: 176

Elements: 7√2, 10, 14, 10√2, 14√2, 20, 20√2, 21√2, 38, 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 68 203 128 68 102 138 78 481 176 88 103 138 68 385 138 40 687 0 68 680 68 68 284 96 40 76 117 61 147 124 68 146 124 54 210 117 61 404 136 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
20
10√2
48
10
38
68
68√2
28√2
7√2
14
14√2
21√2
40√2
40