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Primitive Perfect Isosceles Right Triangled Square

Title: dr 19:140AY3of4 GHM

Order: 19

Horizontal side: 140 Vertical side: 140

Elements: 1, 1√2, 2, 2√2, 3, 4, 4√2, 11, 11√2, 22, 22√2, 37, 44, 48, 59, 70, 81, 59√2, 70√2.

Code: 815 0 59 704 70 70 703 140 70 114 81 59 113 92 59 42 96 66 481 140 70 43 96 62 445 96 22 35 92 59 24 94 60 23 96 60 14 95 59 13 96 59 597 0 59 590 59 59 371 96 59 224 118 0 223 140 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)

81
70√2
70
11√2
11
4√2
48
4
44
3
2√2
2
1√2
1
59
59√2
37
22√2
22