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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _dp 18:90JE2of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1√2, 7, 5√2, 6√2, 7√2, 10, 14, 10√2, 14√2, 20, 21, 25, 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 66 64 34 202 90 20 357 0 35 350 35 35 211 56 35 77 56 35 70 63 35 14 64 34 147 56 28 146 56 14 203 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
6√2
20√2
35
35√2
21
7
7√2
1√2
14
14√2
20