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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JJ6of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 5, 5√2, 9, 10, 9√2, 10√2, 15, 18, 20, 27, 20√2, 30, 36, 27√2, 40, 30√2, 35√2, 60.

Code: 605 0 30 361 36 90 275 36 63 274 63 63 356 55 55 97 36 63 96 36 54 187 45 63 103 55 45 52 60 50 53 60 45 102 70 40 151 60 45 403 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
36
27
27√2
35√2
9
9√2
18
10
5√2
5
10√2
15
40
20√2
30
30√2
20