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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:142CD GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 4, 4√2, 8, 10, 8√2, 17, 20, 24, 17√2, 28, 34, 36, 27√2, 44, 54, 44√2, 71, 98, 71√2.

Code: 985 0 44 714 71 71 713 142 71 274 98 44 170 125 71 171 142 71 103 108 44 347 108 54 543 142 0 447 0 44 440 44 44 361 80 44 287 80 44 243 108 20 40 84 20 41 88 20 207 88 20 87 80 16 86 80 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)

98
71√2
71
27√2
17√2
17
10
34
54
44
44√2
36
28
24
4√2
4
20
8
8√2