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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JJ4of8 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 30 274 27 63 273 54 63 367 54 90 356 55 55 181 45 63 92 54 54 91 54 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
27√2
27
36
35√2
18
9√2
9
10√2
15
5
5√2
10
40
20√2
30
30√2
20