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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:284BB2of2 GHM

Order: 19

Horizontal side: 284 Vertical side: 284

Elements: 2√2, 4, 3√2, 6, 6√2, 12, 15√2, 18√2, 30, 46, 48, 48√2, 94, 96, 94√2, 96√2, 142, 188, 142√2.

Code: 1885 0 96 1424 142 142 1423 284 142 461 188 142 305 188 112 484 236 94 483 284 94 125 188 100 154 203 97 180 218 112 45 188 96 64 194 94 63 200 94 32 203 97 965 0 0 964 96 0 20 192 96 940 190 94 941 284 94

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)

188
142√2
142
46
30
48√2
48
12
15√2
18√2
4
6√2
6
3√2
96
96√2
2√2
94√2
94