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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:150AD GHM

Order: 18

Horizontal side: 150 Vertical side: 150

Elements: 7√2, 11√2, 13√2, 22, 26, 30, 22√2, 24√2, 40, 30√2, 44, 37√2, 40√2, 60, 53√2, 55√2, 80, 60√2.

Code: 602 60 90 534 53 97 226 84 128 447 106 150 556 95 95 246 60 104 225 84 106 265 84 80 114 95 95 76 53 97 372 97 67 603 60 30 134 97 67 803 110 0 402 150 40 403 150 0 305 0 0 304 30 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)

60√2
53√2
22√2
44
55√2
24√2
22
26
11√2
7√2
37√2
60
13√2
80
40√2
40
30
30√2