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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __t 18:280JD1of2 GHM

Order: 18

Horizontal side: 280 Vertical side: 280

Elements: 4, 4√2, 8, 8√2, 16, 12√2, 14√2, 56, 42√2, 49√2, 56√2, 98, 77√2, 112, 126, 154, 112√2, 140√2.

Code: 1545 0 126 1404 140 140 1126 168 168 126 156 156 1125 168 56 163 156 140 82 164 148 83 164 140 42 168 144 43 168 140 144 154 126 426 126 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
140√2
112√2
12√2
112
16
8√2
8
4√2
4
14√2
42√2
126
77√2
49√2
98
56√2
56