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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JQ5of8 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 55 100 55 55 151 60 45 57 60 45 50 65 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
35√2
10√2
15
5
5√2
2√2
2
1√2
4√2
40
20√2
3√2
6
30
30√2
20