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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:186AS4of4 GHM

Order: 19

Horizontal side: 186 Vertical side: 186

Elements: 2√2, 4, 4√2, 8, 6√2, 7√2, 12, 14, 13√2, 20√2, 40, 40√2, 66, 73, 80, 66√2, 73√2, 113, 120.

Code: 1205 0 66 1131 113 186 737 113 186 736 113 113 202 133 93 130 133 93 76 113 73 147 120 80 83 134 72 127 134 80 803 146 0 402 186 40 60 126 72 44 130 68 43 134 68 24 132 66 665 0 0 664 66 0 403 186 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)

120
113
73
73√2
20√2
13√2
7√2
14
8
12
80
40√2
6√2
4√2
4
2√2
66
66√2
40