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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _dp 18:90JD1of2 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 26 68 38 202 90 20 33 68 35 25 68 36 15 68 35 14 69 35 186 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
2√2
20√2
3
2
1
1√2
18√2
35
35√2
17√2
20