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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JU7of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1√2, 2, 2√2, 4, 3√2, 5√2, 9, 10, 11, 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 45 115 55 44 97 55 44 16 63 43 27 64 44 26 64 42 45 66 40 30 63 43 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
11
9
1√2
2
2√2
4
3√2
5√2
10
40
20√2
30
30√2
20