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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:76AM GHM

Order: 18

Horizontal side: 76 Vertical side: 76

Elements: 3√2, 4√2, 6, 8, 6√2, 9√2, 10√2, 16, 18, 20, 16√2, 28, 30, 32, 36, 28√2, 40, 48.

Code: 485 0 28 361 36 76 305 36 46 401 76 76 65 36 40 64 42 40 96 39 37 187 48 46 100 66 46 34 39 37 83 56 28 42 60 32 201 76 36 323 60 0 162 76 16 285 0 0 284 28 0 163 76 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)

48
36
30
40
6
6√2
9√2
18
10√2
3√2
8
4√2
20
32
16√2
28
28√2
16