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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:90JO5of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 5, 7, 5√2, 7√2, 10, 14, 10√2, 15, 20, 21, 28, 20√2, 21√2, 30, 40, 30√2, 60, 45√2.

Code: 605 0 30 454 45 45 283 90 62 70 62 62 71 69 62 217 69 62 216 69 41 100 55 55 141 69 55 151 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
28
7√2
7
21
21√2
10√2
14
15
5
5√2
10
40
20√2
30
30√2
20