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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:140JE1of4 GHM

Order: 18

Horizontal side: 140 Vertical side: 140

Elements: 1√2, 3√2, 6, 6√2, 12, 9√2, 10√2, 11√2, 18, 20, 20√2, 40, 40√2, 60, 50√2, 80, 60√2, 70√2.

Code: 805 0 60 704 70 70 506 90 90 203 90 70 92 99 81 30 99 81 60 96 78 61 102 78 185 102 60 12 91 71 121 102 72 110 91 71 104 80 60 605 0 0 604 60 0 200 120 60 400 100 40 401 140 40

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)

80
70√2
50√2
20
9√2
3√2
6√2
6
18
1√2
12
11√2
10√2
60
60√2
20√2
40√2
40