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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JJ8of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 5, 5√2, 9, 10, 9√2, 10√2, 15, 18, 20, 27, 20√2, 30, 36, 27√2, 40, 30√2, 35√2, 60.

Code: 605 0 30 361 36 90 275 36 63 274 63 63 356 55 55 97 36 63 96 36 54 187 45 63 106 45 45 155 55 40 57 55 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
36
27
27√2
35√2
9
9√2
18
10√2
15
5
5√2
10
40
20√2
30
30√2
20