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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:84AN13of16 GHM

Order: 19

Horizontal side: 84 Vertical side: 84

Elements: 2√2, 4, 4√2, 6, 8, 6√2, 8√2, 9√2, 14, 18, 14√2, 18√2, 28, 30, 36, 27√2, 42, 48, 42√2.

Code: 485 0 36 424 42 42 423 84 42 64 48 36 63 54 36 307 54 42 283 84 14 182 18 18 181 18 36 92 27 27 361 54 36 270 27 27 20 56 14 144 70 0 143 84 0 47 54 12 40 58 12 87 54 8 80 62 8

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
42√2
42
6√2
6
30
28
18√2
18
9√2
36
27√2
2√2
14√2
14
4
4√2
8
8√2