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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:240JH2of2 GHM

Order: 18

Horizontal side: 240 Vertical side: 240

Elements: 4√2, 8, 8√2, 16, 16√2, 30, 32, 28√2, 30√2, 60, 43√2, 47√2, 60√2, 90, 120, 90√2, 150, 120√2.

Code: 1505 0 90 1204 120 120 1203 240 120 304 150 90 303 180 90 607 180 120 606 180 60 905 0 0 904 90 0 436 137 47 325 180 28 470 137 47 165 180 12 164 196 12 280 212 28 85 180 4 84 188 4 44 184 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)

150
120√2
120
30√2
30
60
60√2
90
90√2
43√2
32
47√2
16
16√2
28√2
8
8√2
4√2