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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:144AA GHM

Order: 18

Horizontal side: 144 Vertical side: 144

Elements: 1√2, 2, 10, 11√2, 22, 18√2, 22√2, 32, 34, 36, 38, 32√2, 36√2, 38√2, 70, 74, 54√2, 72√2.

Code: 745 0 70 724 72 72 546 90 90 180 90 90 21 74 72 12 75 71 341 108 72 362 144 36 110 75 71 705 0 0 324 32 38 323 64 38 107 64 70 227 64 60 220 86 60 384 70 0 383 108 0 363 144 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)

74
72√2
54√2
18√2
2
1√2
34
36√2
11√2
70
32√2
32
10
22
22√2
38√2
38
36