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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:142AC4of4 GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 5, 6√2, 12, 12√2, 14√2, 24, 18√2, 19√2, 28, 33, 24√2, 38, 33√2, 48, 38√2, 66, 52√2, 76, 71√2.

Code: 765 0 66 714 71 71 526 90 90 190 90 90 51 76 71 337 76 71 330 109 71 665 0 0 481 48 66 242 72 42 281 76 66 243 72 18 182 90 24 144 90 24 380 104 38 381 142 38 124 60 6 123 72 6 64 66 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)

76
71√2
52√2
19√2
5
33
33√2
66
48
24√2
28
24
18√2
14√2
38√2
38
12√2
12
6√2