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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _dt 18:130LN1of2 GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 3√2, 6, 6√2, 9√2, 12√2, 18, 20, 15√2, 25, 20√2, 25√2, 40, 30√2, 45, 45√2, 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 45 450 45 45 304 75 15 126 93 33 403 130 0 183 93 15 92 102 24 30 102 24 60 99 21 61 105 21 154 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
45√2
30√2
12√2
40
18
9√2
3√2
6√2
6
15√2