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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:90JI2of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1, 5, 5√2, 10, 9√2, 15, 18, 19, 20, 18√2, 20√2, 30, 36, 27√2, 40, 30√2, 35√2, 60.

Code: 605 0 30 361 36 90 182 54 72 274 63 63 356 55 55 183 54 54 92 63 63 13 55 54 155 55 40 191 55 54 57 55 40 56 55 35 107 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
18√2
27√2
35√2
18
9√2
1
15
19
5
5√2
10
40
20√2
30
30√2
20