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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _pt 18:180JB2of2 GHM

Order: 18

Horizontal side: 180 Vertical side: 180

Elements: 10, 9√2, 10√2, 18, 20, 18√2, 30, 27√2, 40, 50, 36√2, 54, 40√2, 60, 80, 60√2, 120, 90√2.

Code: 1205 0 60 904 90 90 543 180 126 360 126 126 274 153 99 186 162 108 96 153 99 185 162 90 301 120 90 107 120 90 100 130 90 501 180 90 207 120 80 803 140 0 402 180 40 605 0 0 604 60 0 403 180 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)

120
90√2
54
36√2
27√2
18√2
9√2
18
30
10
10√2
50
20
80
40√2
60
60√2
40