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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:210AD GHM

Order: 18

Horizontal side: 210 Vertical side: 210

Elements: 8, 10√2, 11√2, 22, 18√2, 36, 42, 44, 32√2, 36√2, 52, 42√2, 72, 84, 94, 116, 84√2, 105√2.

Code: 1167 0 210 723 116 138 947 116 210 1056 105 105 443 44 94 365 44 102 364 80 102 223 116 116 320 94 116 114 105 105 85 44 94 184 62 84 527 0 94 100 52 94 426 0 42 847 42 84 840 126 84 425 0 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
72
94
105√2
44
36
36√2
22
32√2
11√2
8
18√2
52
10√2
42√2
84
84√2
42