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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:130AA GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 3√2, 6, 5√2, 6√2, 10, 9√2, 10√2, 18, 15√2, 18√2, 26, 36, 47, 56, 65, 74, 56√2, 65√2.

Code: 745 0 56 654 65 65 653 130 65 94 74 56 30 83 65 471 130 65 60 80 62 61 86 62 265 86 36 567 0 56 560 56 56 154 71 41 106 76 46 56 71 41 105 76 36 361 112 36 182 130 18 183 130 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)

74
65√2
65
9√2
3√2
47
6√2
6
26
56
56√2
15√2
10√2
5√2
10
36
18√2
18