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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:140JF4of4 GHM

Order: 18

Horizontal side: 140 Vertical side: 140

Elements: 1√2, 2, 2√2, 4, 3√2, 6, 10√2, 13√2, 20, 17√2, 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 70 132 103 77 170 103 77 104 80 60 63 90 64 43 84 60 22 86 62 34 87 61 23 86 60 12 87 61 605 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
13√2
17√2
10√2
6
4
2√2
3√2
2
1√2
60
60√2
20√2
40√2
40