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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:108AW4of4 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 86 58 58 135 66 53 46 54 54 85 58 50 37 66 53 30 69 53 101 79 53 52 84 48 141 72 50 72 79 43 483 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
8√2
13
4√2
8
3
3√2
10
5√2
14
7√2
48
24√2
36
36√2
24