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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JR6of8 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 55 103 55 45 75 55 48 37 55 48 83 58 40 42 62 44 41 62 48 22 64 46 60 64 46 54 50 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
3
8
4√2
4
2√2
6√2
5√2
10√2
40
20√2
30
30√2
20