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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:154AI GHM

Order: 19

Horizontal side: 154 Vertical side: 154

Elements: 3√2, 6, 5√2, 6√2, 10, 12, 10√2, 18, 15√2, 21√2, 30, 42, 47, 50, 62, 77, 62√2, 92, 77√2.

Code: 925 0 62 774 77 77 773 154 77 154 92 62 50 107 77 471 154 77 100 102 72 101 112 72 425 112 30 627 0 62 620 62 62 501 112 62 185 112 12 214 133 9 303 154 0 121 124 12 62 130 6 61 130 12 32 133 9

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)

92
77√2
77
15√2
5√2
47
10√2
10
42
62
62√2
50
18
21√2
30
12
6√2
6
3√2