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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:114AP GHM

Order: 19

Horizontal side: 114 Vertical side: 114

Elements: 3√2, 4√2, 8, 8√2, 12, 16, 18, 16√2, 18√2, 28, 30, 36, 28√2, 42, 30√2, 36√2, 56, 42√2, 57√2.

Code: 572 57 57 561 56 114 282 84 86 281 84 114 302 114 84 301 114 114 166 68 70 426 72 42 86 60 62 165 68 54 46 56 58 85 60 54 30 57 57 180 54 54 181 72 54 127 72 54 425 72 0 360 36 36 361 72 36

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)

57√2
56
28√2
28
30√2
30
16√2
42√2
8√2
16
4√2
8
3√2
18√2
18
12
42
36√2
36