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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:120AK GHM

Order: 18

Horizontal side: 120 Vertical side: 120

Elements: 8, 8√2, 12, 12√2, 18, 24, 17√2, 18√2, 26, 28, 34, 36, 40, 34√2, 52, 43√2, 68, 60√2.

Code: 685 0 52 604 60 60 436 77 77 170 77 77 84 68 52 363 76 24 182 94 42 181 94 60 265 94 34 525 0 0 401 40 52 287 40 52 83 94 34 340 86 34 341 120 34 127 40 24 126 40 12 247 52 24

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)

68
60√2
43√2
17√2
8√2
36
18√2
18
26
52
40
28
8
34√2
34
12
12√2
24