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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:146AE GHM

Order: 18

Horizontal side: 146 Vertical side: 146

Elements: 10, 8√2, 9√2, 10√2, 20, 20√2, 38, 30√2, 50, 36√2, 38√2, 54, 56, 60, 45√2, 70, 72, 54√2.

Code: 707 0 146 603 70 86 302 100 116 384 108 108 383 146 108 80 100 116 723 92 36 547 92 108 546 92 54 100 10 86 101 20 86 507 20 86 207 0 76 206 0 56 565 0 0 92 101 45 450 101 45 364 56 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)

70
60
30√2
38√2
38
8√2
72
54
54√2
10√2
10
50
20
20√2
56
9√2
45√2
36√2