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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JX7of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 4, 5, 4√2, 5√2, 8, 10, 12, 10√2, 15, 16, 12√2, 20, 30, 40, 30√2, 35√2, 60, 45√2.

Code: 605 0 30 454 45 45 356 55 55 106 45 45 155 55 40 57 55 40 56 55 35 107 60 40 403 70 0 122 82 28 305 0 0 304 30 0 123 82 16 85 82 20 45 82 16 44 86 16 203 90 0 167 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)

60
45√2
35√2
10√2
15
5
5√2
10
40
12√2
30
30√2
12
8
4
4√2
20
16