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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _pt 18:280JH2of2 GHM

Order: 18

Horizontal side: 280 Vertical side: 280

Elements: 11√2, 14√2, 22, 28, 22√2, 44, 56, 42√2, 44√2, 66, 49√2, 56√2, 98, 112, 126, 154, 112√2, 140√2.

Code: 1545 0 126 1404 140 140 1126 168 168 283 168 140 1125 168 56 144 154 126 426 126 98 1265 0 0 661 66 126 445 66 82 444 110 82 496 77 49 985 126 0 225 66 60 224 88 60 114 77 49 564 224 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
28
112
14√2
42√2
126
66
44
44√2
49√2
98
22
22√2
11√2
56√2
56