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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:90AC GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 4√2, 14, 12√2, 13√2, 14√2, 22, 16√2, 24, 28, 20√2, 22√2, 32, 24√2, 34, 28√2, 29√2, 44, 34√2.

Code: 345 0 56 344 34 56 220 68 90 221 90 90 120 46 68 441 90 68 282 28 28 294 29 27 166 42 40 325 58 24 136 29 27 202 62 20 283 28 0 142 42 14 44 62 20 240 66 24 241 90 24 143 42 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)

34
34√2
22√2
22
12√2
44
28√2
29√2
16√2
32
13√2
20√2
28
14√2
4√2
24√2
24
14