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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:88AI3of4 GHM

Order: 19

Horizontal side: 88 Vertical side: 88

Elements: 3√2, 6, 8, 6√2, 8√2, 9√2, 16, 18, 20, 21, 24, 28, 21√2, 24√2, 39, 28√2, 40, 48, 40√2.

Code: 485 0 40 391 39 88 217 39 88 216 39 67 287 60 88 286 60 60 185 39 49 205 60 40 94 48 40 30 57 49 60 54 46 61 60 46 405 0 0 404 40 0 163 80 24 82 88 32 83 88 24 240 64 24 241 88 24

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)

48
39
21
21√2
28
28√2
18
20
9√2
3√2
6√2
6
40
40√2
16
8√2
8
24√2
24