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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:146AU GHM

Order: 18

Horizontal side: 146 Vertical side: 146

Elements: 2√2, 10, 10√2, 20, 15√2, 16√2, 18√2, 20√2, 21√2, 32, 36, 37, 40, 55, 73, 55√2, 91, 73√2.

Code: 915 0 55 734 73 73 733 146 73 184 91 55 160 109 73 371 146 73 20 93 57 321 125 57 212 146 36 557 0 55 550 55 55 401 95 55 202 115 35 363 146 0 203 115 15 102 125 25 103 125 15 154 110 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)

91
73√2
73
18√2
16√2
37
2√2
32
21√2
55
55√2
40
20√2
36
20
10√2
10
15√2