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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _pt 18:200JL2of2 GHM

Order: 18

Horizontal side: 200 Vertical side: 200

Elements: 7, 7√2, 14, 10√2, 20, 21, 28, 21√2, 40, 30√2, 40√2, 70, 55√2, 80, 90, 110, 80√2, 100√2.

Code: 1105 0 90 1004 100 100 806 120 120 203 120 100 805 120 40 104 110 90 306 90 70 905 0 0 554 55 35 283 90 42 705 90 0 70 62 42 71 69 42 217 69 42 216 69 21 404 160 0 403 200 0 141 69 35

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)

110
100√2
80√2
20
80
10√2
30√2
90
55√2
28
70
7√2
7
21
21√2
40√2
40
14