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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JV3of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1, 1√2, 2, 3, 4, 3√2, 5, 10, 10√2, 15, 20, 20√2, 30, 40, 30√2, 35√2, 60, 45√2.

Code: 605 0 30 454 45 45 356 55 55 103 55 45 32 58 52 33 58 49 25 58 50 15 58 49 14 59 49 53 60 45 102 70 40 47 55 49 151 60 45 403 70 0 202 90 20 305 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
35√2
10
3√2
3
2
1
1√2
5
10√2
4
15
40
20√2
30
30√2
20