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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:142BK3of4 GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 8, 6√2, 8√2, 12, 16, 12√2, 16√2, 24, 18√2, 21√2, 24√2, 42, 34√2, 50, 58, 42√2, 50√2, 84, 71√2.

Code: 845 0 58 714 71 71 506 92 92 216 71 71 505 92 42 585 0 0 244 24 34 66 42 52 127 48 58 126 48 46 247 60 58 80 84 58 180 42 52 160 76 50 161 92 50 87 92 42 420 100 42 421 142 42 344 58 0

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)

84
71√2
50√2
21√2
50
58
24√2
6√2
12
12√2
24
8√2
18√2
16√2
16
8
42√2
42
34√2