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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:198AS GHM

Order: 18

Horizontal side: 198 Vertical side: 198

Elements: 6, 5√2, 6√2, 8√2, 12, 16, 12√2, 13√2, 24, 50, 66, 50√2, 74, 82, 66√2, 74√2, 124, 132.

Code: 1325 0 66 1241 124 198 747 124 198 746 124 124 245 124 100 132 137 87 124 136 88 123 148 88 502 198 50 64 142 82 63 148 82 50 137 87 86 124 74 167 132 82 823 148 0 665 0 0 664 66 0 503 198 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)

132
124
74
74√2
24
13√2
12√2
12
50√2
6√2
6
5√2
8√2
16
82
66
66√2
50