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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:80AH GHM

Order: 18

Horizontal side: 80 Vertical side: 80

Elements: 5√2, 8, 6√2, 10, 8√2, 12, 10√2, 16, 12√2, 15√2, 16√2, 25, 30, 32, 35, 25√2, 34√2, 40√2.

Code: 402 40 40 344 34 46 120 68 80 121 80 80 160 56 68 161 72 68 82 80 60 81 80 68 353 80 25 66 34 46 327 40 52 106 30 30 303 30 0 152 45 15 56 40 20 107 45 25 250 55 25 251 80 25

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)

40√2
34√2
12√2
12
16√2
16
8√2
8
35
6√2
32
10√2
30
15√2
5√2
10
25√2
25