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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:208AD GHM

Order: 18

Horizontal side: 208 Vertical side: 208

Elements: 6√2, 10, 12, 10√2, 20, 24, 17√2, 20√2, 40, 46, 58, 46√2, 58√2, 92, 104, 75√2, 116, 104√2.

Code: 1165 0 92 1044 104 104 1043 208 104 121 116 104 62 122 98 464 162 58 463 208 58 206 102 78 405 122 58 927 0 92 176 75 75 247 92 92 106 92 68 205 102 58 750 75 75 105 92 58 584 150 0 583 208 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)

116
104√2
104
12
6√2
46√2
46
20√2
40
92
17√2
24
10√2
20
75√2
10
58√2
58