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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:144AQ GHM

Order: 18

Horizontal side: 144 Vertical side: 144

Elements: 4, 3√2, 4√2, 6, 8, 6√2, 9√2, 17√2, 34, 26√2, 38, 29√2, 34√2, 55, 72, 55√2, 89, 72√2.

Code: 895 0 55 724 72 72 723 144 72 174 89 55 83 106 64 42 110 68 381 144 72 43 110 64 342 144 34 90 98 64 64 104 58 63 110 58 34 107 55 296 81 29 557 0 55 550 55 55 264 81 29 343 144 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)

89
72√2
72
17√2
8
4√2
38
4
34√2
9√2
6√2
6
3√2
29√2
55
55√2
26√2
34