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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:90JA1of8 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 56 45 65 105 50 60 401 90 70 106 35 55 55 45 60 157 45 60 363 60 24 302 90 30 303 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
5√2
10
40
10√2
5
15
36
30√2
30
24√2
18√2
12√2
6√2
12