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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JS1of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1√2, 3, 3√2, 4√2, 6, 5√2, 6√2, 9, 10, 10√2, 20, 20√2, 30, 40, 30√2, 35√2, 60, 45√2.

Code: 605 0 30 454 45 45 356 55 55 100 55 55 64 51 39 63 57 39 32 60 42 44 61 41 50 65 45 33 60 39 12 61 41 107 60 40 403 70 0 202 90 20 91 60 39 305 0 0 304 30 0 203 90 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)

60
45√2
35√2
10√2
6√2
6
3√2
4√2
5√2
3
1√2
10
40
20√2
9
30
30√2
20