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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JQ8of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1√2, 2, 2√2, 3√2, 5, 4√2, 6, 5√2, 10√2, 15, 20, 20√2, 30, 40, 30√2, 35√2, 60, 45√2.

Code: 605 0 30 454 45 45 356 55 55 106 45 45 155 55 40 57 55 40 56 55 35 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
35√2
10√2
15
5
5√2
2
2√2
3√2
6
40
20√2
4√2
1√2
30
30√2
20