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Derivative UltraPerfect Isosceles Right Triangled Square

Title: dpt 18:260JC1of2 GHM

Order: 18

Horizontal side: 260 Vertical side: 260

Elements: 9√2, 18, 18√2, 27√2, 40, 30√2, 50, 36√2, 54, 40√2, 60, 50√2, 80, 60√2, 90√2, 130, 170, 130√2.

Code: 1705 0 90 1304 130 130 1303 260 130 404 170 90 403 210 90 502 260 80 501 260 130 182 18 72 181 18 90 92 27 81 364 54 54 900 90 90 604 150 30 603 210 30 270 27 81 803 260 0 547 0 54 304 180 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)

170
130√2
130
40√2
40
50√2
50
18√2
18
9√2
36√2
90√2
60√2
60
27√2
80
54
30√2