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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JR7of8 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 55 106 45 45 62 61 49 20 61 49 40 59 47 41 63 47 75 63 40 87 55 43 33 63 40 56 55 35 107 60 40 403 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√2
6√2
2√2
4√2
4
7
8
3
5√2
10
40
20√2
30
30√2
20