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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __t 18:90KH1of2 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 22 62 38 21 62 40 12 63 39 44 66 36 403 70 0 202 90 20 30 63 39 67 60 36 305 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
1√2
4√2
40
20√2
3√2
6
30
30√2
20