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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:180JD6of8 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 90 706 110 110 203 110 90 305 110 80 104 100 80 63 110 84 40 104 84 34 107 81 26 108 82 16 107 81 25 108 80 204 120 60 803 140 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
30
10√2
6
4√2
3√2
2√2
1√2
2
20√2
80
40√2
60
60√2
40