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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JV1of8 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 55 100 55 55 151 60 45 57 60 45 16 64 44 25 65 43 43 64 40 15 64 43 37 64 43 30 67 43 107 60 40 403 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√2
15
5
1√2
2
4
1
3
3√2
10
40
20√2
30
30√2
20