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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __t 18:280JB2of2 GHM

Order: 18

Horizontal side: 280 Vertical side: 280

Elements: 14√2, 28, 20√2, 40, 56, 40√2, 42√2, 49√2, 56√2, 80, 98, 77√2, 112, 80√2, 120, 126, 154, 112√2.

Code: 1545 0 126 1201 120 280 805 120 200 804 200 200 1126 168 168 405 120 160 404 160 160 283 168 140 1125 168 56 204 140 140 144 154 126 426 126 98 1265 0 0 774 77 49 496 77 49 985 126 0 564 224 0 563 280 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

154
120
80
80√2
112√2
40
40√2
28
112
20√2
14√2
42√2
126
77√2
49√2
98
56√2
56