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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:180JC2of8 GHM

Order: 18

Horizontal side: 180 Vertical side: 180

Elements: 3√2, 6, 6√2, 10, 9√2, 10√2, 12√2, 18, 20, 20√2, 40, 40√2, 60, 80, 60√2, 70√2, 120, 90√2.

Code: 1205 0 60 904 90 90 706 110 110 200 110 110 181 108 90 92 117 81 64 114 84 63 120 84 107 120 90 100 130 90 34 117 81 126 108 72 207 120 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
18
9√2
6√2
6
10
10√2
3√2
12√2
20
80
40√2
60
60√2
40