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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __t 18:90KH2of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1√2, 2, 2√2, 3√2, 5, 4√2, 6, 5√2, 15, 20, 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 25 60 38 24 62 38 36 61 37 67 64 40 403 70 0 202 90 20 42 64 34 14 61 37 305 0 0 304 30 0 203 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)

60
45√2
45
15
5
5√2
25
2
2√2
3√2
6
40
20√2
4√2
1√2
30
30√2
20