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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __t 18:90KT1of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1, 1√2, 2, 3, 4, 3√2, 5, 10, 15, 20, 20√2, 30, 35, 40, 30√2, 35√2, 55, 60.

Code: 605 0 30 551 55 90 357 55 90 356 55 55 155 55 40 57 55 40 36 57 37 107 60 40 403 70 0 202 90 20 23 57 35 35 57 34 14 56 34 13 57 34 41 60 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
55
35
35√2
15
5
3√2
10
40
20√2
2
3
1√2
1
4
30
30√2
20