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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:176AH GHM

Order: 19

Horizontal side: 176 Vertical side: 176

Elements: 3√2, 6, 6√2, 9√2, 18, 14√2, 20, 28, 20√2, 30, 40, 30√2, 40√2, 48√2, 68, 54√2, 68√2, 108, 88√2.

Code: 1085 0 68 884 88 88 486 128 128 403 128 88 302 158 98 303 158 68 185 158 80 204 108 68 203 128 68 62 164 74 94 167 71 406 136 40 63 164 68 32 167 71 685 0 0 684 68 0 146 122 54 287 136 68 540 122 54

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
48√2
40
30√2
30
18
20√2
20
6√2
9√2
40√2
6
3√2
68
68√2
14√2
28
54√2