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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JP2of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 2, 2√2, 4, 5, 6, 5√2, 8, 6√2, 10, 15, 20, 20√2, 30, 40, 30√2, 35√2, 60, 45√2.

Code: 605 0 30 454 45 45 356 55 55 43 55 51 22 57 53 23 57 51 85 57 45 60 51 51 61 57 51 151 60 45 57 60 45 50 65 45 107 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
4
2√2
2
8
6√2
6
15
5
5√2
10
40
20√2
30
30√2
20