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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:142AC2of4 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 66 180 72 42 144 90 24 380 104 38 381 142 38 66 48 18 127 54 24 126 54 12 247 66 24

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
18√2
14√2
38√2
38
6√2
12
12√2
24