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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:144AV GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 2, 2√2, 3, 4, 3√2, 4√2, 11, 11√2, 22, 18√2, 21√2, 22√2, 44, 50, 61, 72, 83, 61√2, 72√2.

Code: 835 0 61 724 72 72 723 144 72 114 83 61 113 94 61 42 98 68 501 144 72 43 98 64 22 100 66 23 100 64 445 100 22 35 94 61 34 97 61 216 79 43 617 0 61 610 61 61 184 79 43 224 122 0 223 144 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)

83
72√2
72
11√2
11
4√2
50
4
2√2
2
44
3
3√2
21√2
61
61√2
18√2
22√2
22