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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JA5of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 5, 5√2, 6√2, 10, 12, 10√2, 15, 12√2, 20, 18√2, 20√2, 30, 24√2, 36, 40, 30√2, 35√2, 45√2.

Code: 452 45 45 361 36 90 182 54 72 124 48 78 123 60 78 302 90 60 301 90 90 64 54 72 246 36 54 403 90 20 100 45 45 350 35 35 151 50 35 57 50 35 50 55 35 107 50 30 204 70 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)

45√2
36
18√2
12√2
12
30√2
30
6√2
24√2
40
10√2
35√2
15
5
5√2
10
20√2
20