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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _dp 18:90JF1of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 4√2, 5√2, 8, 10, 11, 8√2, 10√2, 16, 12√2, 19, 20, 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 45 126 58 28 202 90 20 357 0 35 350 35 35 191 54 35 117 54 35 40 58 28 87 54 24 80 62 24 203 90 0 161 70 16

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
12√2
20√2
35
35√2
19
11
4√2
8
8√2
20
16