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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:138CG GHM

Order: 19

Horizontal side: 138 Vertical side: 138

Elements: 4, 4√2, 5√2, 8, 10, 10√2, 15, 20, 19√2, 30, 23√2, 34, 27√2, 42, 54, 42√2, 69, 96, 69√2.

Code: 965 0 42 694 69 69 693 138 69 274 96 42 50 123 69 151 138 69 303 118 34 107 118 64 100 128 64 207 118 54 543 138 0 427 0 42 420 42 42 234 65 19 46 84 38 87 88 42 196 65 19 45 84 34 347 84 34

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)

96
69√2
69
27√2
5√2
15
30
10
10√2
20
54
42
42√2
23√2
4√2
8
19√2
4
34