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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:108AW3of4 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 76 59 59 145 66 52 56 54 54 105 59 49 34 69 49 33 72 49 82 80 44 81 80 52 42 84 48 131 72 49 483 84 0 242 108 24 365 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
7√2
14
5√2
10
3√2
3
8√2
8
4√2
13
48
24√2
36
36√2
24