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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:90JM2of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 5, 5√2, 9, 10, 8√2, 9√2, 15, 18, 20, 17√2, 18√2, 27, 20√2, 30, 40, 30√2, 60, 45√2.

Code: 605 0 30 454 45 45 273 90 63 180 63 63 181 81 63 92 90 54 91 90 63 176 73 37 151 60 45 57 60 45 50 65 45 84 73 37 107 60 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
27
18√2
18
9√2
9
17√2
15
5
5√2
8√2
10
40
20√2
30
30√2
20