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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:250AA GHM

Order: 18

Horizontal side: 250 Vertical side: 250

Elements: 8, 8√2, 16, 16√2, 28, 32, 28√2, 32√2, 46, 37√2, 46√2, 74, 56√2, 102, 74√2, 102√2, 111√2, 176.

Code: 1767 0 250 376 139 213 747 176 250 746 176 176 1110 139 213 286 0 74 87 28 102 80 36 102 564 92 46 1020 148 102 1021 250 102 167 28 94 160 44 94 327 28 78 320 60 78 285 0 46 465 0 0 464 46 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)

176
37√2
74
74√2
111√2
28√2
8
8√2
56√2
102√2
102
16
16√2
32
32√2
28
46
46√2