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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _dt 18:130LL2of2 GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 9, 9√2, 18, 20, 15√2, 25, 27, 20√2, 30, 25√2, 36, 27√2, 40, 30√2, 45, 65, 85, 65√2.

Code: 855 0 45 654 65 65 653 130 65 204 85 45 203 105 45 252 130 40 251 130 65 457 0 45 183 45 27 92 54 36 304 75 15 303 105 15 403 130 0 93 54 27 365 54 0 270 27 27 271 54 27 154 90 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)

85
65√2
65
20√2
20
25√2
25
45
18
9√2
30√2
30
40
9
36
27√2
27
15√2