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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JP7of8 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 45 155 55 40 54 50 40 53 55 40 64 56 34 63 62 34 87 62 40 403 70 0 202 90 20 41 60 34 22 62 32 21 62 34 305 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
5√2
5
6√2
6
8
40
20√2
4
2√2
2
30
30√2
20