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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JV6of8 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 45 155 55 40 41 49 45 35 49 42 34 52 42 53 55 40 17 49 42 16 49 41 27 50 42 104 60 30 403 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
15
4
3
3√2
5
1
1√2
2
10√2
40
20√2
30
30√2
20