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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:120BA GHM

Order: 18

Horizontal side: 120 Vertical side: 120

Elements: 1√2, 4, 3√2, 6, 6√2, 10, 14, 16, 14√2, 16√2, 30, 30√2, 44, 46, 60, 44√2, 76, 60√2.

Code: 765 0 44 604 60 60 603 120 60 164 76 44 103 92 50 145 92 46 144 106 46 306 90 30 60 82 50 61 88 50 32 91 47 41 92 50 10 91 47 463 90 0 167 90 46 445 0 0 444 44 0 305 90 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)

76
60√2
60
16√2
10
14
14√2
30√2
6√2
6
3√2
4
1√2
46
16
44
44√2
30