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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JR3of8 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 52 60 50 66 54 44 102 70 40 71 52 45 37 52 45 20 54 44 47 52 42 40 56 42 403 70 0 202 90 20 81 60 38 305 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
6√2
10√2
7
3
2√2
4
4√2
40
20√2
8
30
30√2
20