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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JQ1of8 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 46 51 51 52 60 50 63 51 45 32 54 48 53 60 45 102 70 40 10 54 48 20 53 47 21 55 47 151 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
4√2
5√2
6
3√2
5
10√2
1√2
2√2
2
15
40
20√2
30
30√2
20