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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JX4of8 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 55 103 55 45 52 60 50 53 60 45 102 70 40 151 60 45 403 70 0 165 70 24 305 0 0 304 30 0 122 82 12 121 82 24 47 82 24 40 86 24 87 82 20 203 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)

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