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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JA3of8 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 5, 5√2, 6√2, 10, 12, 10√2, 15, 12√2, 20, 18√2, 20√2, 30, 24√2, 36, 40, 30√2, 35√2, 45√2.

Code: 452 45 45 354 35 55 200 70 90 201 90 90 153 50 55 102 60 60 401 90 70 363 60 24 302 90 30 101 45 55 52 50 50 51 50 55 303 90 0 240 24 24 184 42 6 126 48 12 66 42 6 125 48 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)

45√2
35√2
20√2
20
15
10√2
40
36
30√2
10
5√2
5
30
24√2
18√2
12√2
6√2
12