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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JR2of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 2√2, 3, 4, 4√2, 7, 5√2, 8, 6√2, 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 81 53 45 42 57 41 64 59 39 50 65 45 43 57 37 22 59 39 33 60 37 107 60 40 403 70 0 202 90 20 71 60 37 305 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
8
4√2
6√2
5√2
4
2√2
3
10
40
20√2
7
30
30√2
20