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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:180AA GHM

Order: 18

Horizontal side: 180 Vertical side: 180

Elements: 2, 7√2, 9√2, 14, 18, 14√2, 20, 18√2, 28, 20√2, 28√2, 56, 62, 76, 90, 104, 76√2, 90√2.

Code: 1045 0 76 904 90 90 903 180 90 144 104 76 143 118 76 72 125 83 621 180 90 90 125 83 767 0 76 760 76 76 204 96 56 203 116 56 27 116 76 187 116 74 180 134 74 561 152 56 282 180 28 283 180 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)

104
90√2
90
14√2
14
7√2
62
9√2
76
76√2
20√2
20
2
18
18√2
56
28√2
28