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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:108AW2of4 GHM

Order: 18

Horizontal side: 108 Vertical side: 108

Elements: 3, 3√2, 4√2, 5√2, 8, 7√2, 10, 8√2, 13, 14, 24, 24√2, 36, 48, 36√2, 42√2, 72, 54√2.

Code: 725 0 36 544 54 54 426 66 66 50 66 66 70 61 61 101 71 61 135 71 48 141 68 54 32 71 51 33 71 48 85 68 40 84 76 40 483 84 0 242 108 24 44 72 36 365 0 0 364 36 0 243 108 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)

72
54√2
42√2
5√2
7√2
10
13
14
3√2
3
8
8√2
48
24√2
4√2
36
36√2
24