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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __t 18:90JK2of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 5, 5√2, 9, 10, 9√2, 15, 18, 20, 25, 27, 20√2, 30, 36, 27√2, 40, 30√2, 45, 60.

Code: 605 0 30 361 36 90 275 36 63 274 63 63 453 90 45 97 36 63 96 36 54 187 45 63 151 60 45 57 60 45 50 65 45 251 90 45 107 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
36
27
27√2
45
9
9√2
18
15
5
5√2
25
10
40
20√2
30
30√2
20