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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:72BG GHM

Order: 18

Horizontal side: 72 Vertical side: 72

Elements: 2√2, 3, 3√2, 6, 8√2, 12, 10√2, 11√2, 16, 12√2, 20, 22, 25, 28, 22√2, 25√2, 44, 36√2.

Code: 445 0 28 364 36 36 256 47 47 116 36 36 255 47 22 285 0 0 201 20 28 102 30 18 124 32 16 123 44 16 32 47 25 33 47 22 67 44 22 220 50 22 221 72 22 20 30 18 86 20 8 167 28 16

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
36√2
25√2
11√2
25
28
20
10√2
12√2
12
3√2
3
6
22√2
22
2√2
8√2
16