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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:212AC GHM

Order: 18

Horizontal side: 212 Vertical side: 212

Elements: 5√2, 10, 10√2, 20, 28, 30, 28√2, 42, 35√2, 50, 36√2, 56, 42√2, 78, 106, 78√2, 134, 106√2.

Code: 1345 0 78 1064 106 106 1063 212 106 284 134 78 283 162 78 352 197 71 501 212 106 787 0 78 780 78 78 424 120 36 423 162 36 50 197 71 303 192 36 107 192 66 100 202 66 207 192 56 563 212 0 364 156 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)

134
106√2
106
28√2
28
35√2
50
78
78√2
42√2
42
5√2
30
10
10√2
20
56
36√2