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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _dp 18:130JK2of2 GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 9, 9√2, 18, 20, 15√2, 25, 18√2, 27, 20√2, 30, 25√2, 40, 30√2, 38√2, 45√2, 65, 47√2, 65√2.

Code: 655 0 65 654 65 65 476 83 83 380 83 83 257 0 65 256 0 40 205 25 45 204 45 45 305 25 15 304 55 15 450 85 45 271 112 45 97 112 45 90 121 45 405 0 0 187 112 36 186 112 18 154 40 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)

65
65√2
47√2
38√2
25
25√2
20
20√2
30
30√2
45√2
27
9
9√2
40
18
18√2
15√2