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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:200AQ GHM

Order: 18

Horizontal side: 200 Vertical side: 200

Elements: 3√2, 6, 6√2, 9√2, 12√2, 28, 30, 28√2, 42, 44, 56, 42√2, 44√2, 72, 100, 72√2, 128, 100√2.

Code: 1285 0 72 1004 100 100 1003 200 100 284 128 72 283 156 72 442 200 56 441 200 100 727 0 72 720 72 72 424 114 30 423 156 30 563 200 0 301 144 30 65 144 24 64 150 24 96 147 21 122 156 12 34 147 21

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)

128
100√2
100
28√2
28
44√2
44
72
72√2
42√2
42
56
30
6
6√2
9√2
12√2
3√2