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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:72AZ GHM

Order: 18

Horizontal side: 72 Vertical side: 72

Elements: 2√2, 3√2, 6, 5√2, 8, 6√2, 7√2, 8√2, 9√2, 14, 14√2, 20, 22, 29, 36, 29√2, 43, 36√2.

Code: 435 0 29 364 36 36 363 72 36 74 43 29 56 45 31 82 58 28 221 72 36 20 45 31 297 0 29 290 29 29 94 38 20 30 47 29 83 58 20 142 72 14 60 44 26 61 50 26 201 58 20 143 72 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)

43
36√2
36
7√2
5√2
8√2
22
2√2
29
29√2
9√2
3√2
8
14√2
6√2
6
20
14