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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __t 18:280JB1of2 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 0 126 804 80 200 803 160 200 1207 160 280 1126 168 168 404 120 160 403 160 160 283 168 140 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
80√2
80
120
112√2
40√2
40
28
112
20√2
14√2
42√2
126
77√2
49√2
98
56√2
56