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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:80AG GHM

Order: 18

Horizontal side: 80 Vertical side: 80

Elements: 5, 5√2, 8, 6√2, 10, 8√2, 12, 15, 16, 12√2, 15√2, 16√2, 30, 32, 25√2, 30√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 68 306 50 30 66 34 46 327 40 52 153 40 25 156 35 15 305 50 0 250 25 25 101 35 25 52 40 20 51 40 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
30√2
6√2
32
15
15√2
30
25√2
10
5√2
5