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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:140BJ GHM

Order: 19

Horizontal side: 140 Vertical side: 140

Elements: 4, 3√2, 5√2, 10, 9√2, 11√2, 18, 13√2, 14√2, 16√2, 32, 38, 32√2, 38√2, 54, 43√2, 54√2, 86, 70√2.

Code: 865 0 54 704 70 70 386 102 102 323 102 70 385 102 64 164 86 54 36 99 67 130 99 67 101 112 64 52 117 59 144 126 50 326 108 32 90 117 59 545 0 0 544 54 0 116 97 43 47 108 54 187 108 50 430 97 43

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)

86
70√2
38√2
32
38
16√2
3√2
13√2
10
5√2
14√2
32√2
9√2
54
54√2
11√2
4
18
43√2