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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JU4of8 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 55 103 55 45 45 55 51 32 58 48 24 57 49 23 59 49 115 59 40 14 58 48 93 59 40 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
4
3√2
2√2
2
11
1√2
9
5√2
10√2
40
20√2
30
30√2
20