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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JU2of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1√2, 2, 2√2, 4, 3√2, 5√2, 9, 10, 11, 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 55 111 56 45 97 56 45 50 65 45 43 60 36 107 60 40 403 70 0 202 90 20 25 56 34 24 58 34 36 57 33 14 57 33 305 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
11
9
5√2
4
10
40
20√2
2
2√2
3√2
1√2
30
30√2
20