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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:90KD1of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1√2, 3, 3√2, 4√2, 6, 5√2, 6√2, 9, 10, 20, 25, 20√2, 30, 40, 30√2, 45, 60, 45√2.

Code: 605 0 30 454 45 45 453 90 45 64 51 39 63 57 39 32 60 42 44 61 41 50 65 45 251 90 45 33 60 39 12 61 41 107 60 40 403 70 0 202 90 20 91 60 39 305 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
45
6√2
6
3√2
4√2
5√2
25
3
1√2
10
40
20√2
9
30
30√2
20