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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:88AK3of4 GHM

Order: 19

Horizontal side: 88 Vertical side: 88

Elements: 3, 3√2, 6, 8, 9, 8√2, 9√2, 16, 20, 15√2, 24, 28, 30, 24√2, 28√2, 40, 30√2, 48, 40√2.

Code: 485 0 40 304 30 58 303 60 58 287 60 88 286 60 60 205 60 40 154 45 43 96 51 49 63 51 43 95 51 40 34 48 40 33 51 40 405 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
30√2
30
28
28√2
20
15√2
9√2
6
9
3√2
3
40
40√2
16
8√2
8
24√2
24