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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JU6of8 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 55 103 55 45 52 60 50 93 60 41 102 70 40 41 49 45 22 51 43 34 52 42 23 51 41 12 52 42 111 60 41 403 70 0 202 90 20 305 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
5√2
9
10√2
4
2√2
3√2
2
1√2
11
40
20√2
30
30√2
20