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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:180JC7of8 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 90 706 110 110 206 90 90 122 122 98 96 113 89 185 122 80 30 113 89 67 110 86 60 116 86 107 110 80 106 110 70 207 120 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
12√2
9√2
18
3√2
6
6√2
10
10√2
20
80
40√2
60
60√2
40