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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __t 18:90KK1of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 3√2, 5, 6, 5√2, 6√2, 10, 9√2, 15, 12√2, 18, 20, 25, 20√2, 40, 30√2, 45, 60, 45√2.

Code: 605 0 30 454 45 45 453 90 45 151 60 45 57 60 45 50 65 45 251 90 45 107 60 40 403 70 0 202 90 20 122 12 18 304 30 0 203 90 0 96 3 9 185 12 0 30 3 9 67 0 6 60 6 6

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
15
5
5√2
25
10
40
20√2
12√2
30√2
20
9√2
18
3√2
6
6√2