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Primitive Perfect Isosceles Right Triangled Square

Title: dr 19:134AP3of4 GHM

Order: 19

Horizontal side: 134 Vertical side: 134

Elements: 1, 1√2, 2, 2√2, 3, 3√2, 7, 10, 10√2, 20, 20√2, 37, 40, 47, 57, 67, 77, 57√2, 67√2.

Code: 775 0 57 674 67 67 673 134 67 104 77 57 103 87 57 75 87 60 471 134 67 35 87 57 34 90 57 10 93 60 11 94 60 405 94 20 20 92 59 21 94 59 577 0 57 570 57 57 371 94 57 204 114 0 203 134 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)

77
67√2
67
10√2
10
7
47
3
3√2
1√2
1
40
2√2
2
57
57√2
37
20√2
20