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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JT5of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1, 1√2, 2, 2√2, 3, 5√2, 7√2, 10, 8√2, 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 72 62 48 80 62 48 54 50 40 26 53 43 33 53 40 25 53 41 15 53 40 14 54 40 104 60 30 403 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
7√2
8√2
5√2
2√2
3
2
1
1√2
10√2
40
20√2
30
30√2
20