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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:180JD7of8 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 90 706 110 110 206 90 90 305 110 80 22 112 78 21 112 80 12 113 79 44 116 76 106 110 70 207 120 80 803 140 0 402 180 40 30 113 79 67 110 76 605 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
1√2
4√2
10√2
20
80
40√2
3√2
6
60
60√2
40