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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _pt 18:180JF1of2 GHM

Order: 18

Horizontal side: 180 Vertical side: 180

Elements: 1√2, 2, 2√2, 3√2, 4√2, 6, 10√2, 20, 30, 40, 50, 40√2, 60, 80, 60√2, 90, 120, 90√2.

Code: 1205 0 60 904 90 90 903 180 90 301 120 90 22 122 88 21 122 90 12 123 89 44 126 86 100 130 90 501 180 90 30 123 89 67 120 86 207 120 80 803 140 0 402 180 40 605 0 0 604 60 0 403 180 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)

120
90√2
90
30
2√2
2
1√2
4√2
10√2
50
3√2
6
20
80
40√2
60
60√2
40