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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __t 18:90KM2of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 2√2, 4, 5, 4√2, 5√2, 6√2, 10, 8√2, 12, 15, 25, 20√2, 30, 40, 30√2, 45, 60, 45√2.

Code: 605 0 30 454 45 45 453 90 45 151 60 45 57 60 45 50 65 45 251 90 45 107 60 40 403 70 0 202 90 20 305 0 0 304 30 0 123 90 8 80 78 8 64 84 2 46 86 4 26 84 2 45 86 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)

60
45√2
45
15
5
5√2
25
10
40
20√2
30
30√2
12
8√2
6√2
4√2
2√2
4