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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:180JD2of8 GHM

Order: 18

Horizontal side: 180 Vertical side: 180

Elements: 1√2, 2, 2√2, 3√2, 4√2, 6, 10√2, 20, 20√2, 30, 40, 40√2, 60, 80, 60√2, 70√2, 120, 90√2.

Code: 1205 0 60 904 90 90 706 110 110 200 110 110 301 120 90 25 120 88 24 122 88 36 121 87 67 124 90 100 130 90 42 124 84 14 121 87 207 120 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
70√2
20√2
30
2
2√2
3√2
6
10√2
4√2
1√2
20
80
40√2
60
60√2
40