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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _dp 18:90JD2of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1, 1√2, 2, 2√2, 3, 5√2, 10, 10√2, 20, 17√2, 25, 18√2, 20√2, 35, 45, 35√2, 55, 45√2.

Code: 555 0 35 454 45 45 453 90 45 104 55 35 103 65 35 52 70 40 251 90 45 33 70 37 202 90 20 20 67 37 21 69 37 12 70 36 11 70 37 186 52 18 357 0 35 350 35 35 174 52 18 203 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)

55
45√2
45
10√2
10
5√2
25
3
20√2
2√2
2
1√2
1
18√2
35
35√2
17√2
20