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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:110AD GHM

Order: 18

Horizontal side: 110 Vertical side: 110

Elements: 4, 10√2, 20, 22, 19√2, 20√2, 30, 22√2, 23√2, 24√2, 38, 28√2, 40, 42, 44, 46, 40√2, 44√2.

Code: 442 44 66 404 40 70 403 80 70 202 100 90 301 110 110 203 100 70 102 110 80 383 110 42 41 44 70 242 68 46 284 72 42 443 44 22 463 68 0 232 91 23 194 91 23 423 110 0 225 0 0 224 22 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)

44√2
40√2
40
20√2
30
20
10√2
38
4
24√2
28√2
44
46
23√2
19√2
42
22
22√2