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Primitive Perfect Isosceles Right Triangled Square

Title: ir 18:84BA4of7 GHM

Order: 18

Horizontal side: 84 Vertical side: 84

Elements: 3√2, 4√2, 6, 8, 6√2, 8√2, 12, 16, 12√2, 18, 16√2, 24, 28, 21√2, 28√2, 42, 56, 42√2.

Code: 565 0 28 424 42 42 423 84 42 214 63 21 243 84 18 285 0 0 284 28 0 40 56 28 80 52 24 81 60 24 32 63 21 67 60 18 60 66 18 181 84 18 160 44 16 161 60 16 127 60 12 120 72 12

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)

56
42√2
42
21√2
24
28
28√2
4√2
8√2
8
3√2
6
6√2
18
16√2
16
12
12√2