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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JP6of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 2, 2√2, 4, 5, 6, 5√2, 8, 6√2, 10, 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 52 60 50 53 60 45 85 60 42 151 60 45 62 66 36 61 66 42 27 66 42 20 68 42 47 66 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
5√2
5
8
15
6√2
6
2
2√2
4
40
20√2
30
30√2
20