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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:200AL GHM

Order: 18

Horizontal side: 200 Vertical side: 200

Elements: 4, 4√2, 6, 8, 6√2, 10, 14√2, 22, 28, 25√2, 50, 50√2, 72, 78, 72√2, 75√2, 128, 100√2.

Code: 1285 0 72 1004 100 100 756 125 125 250 125 125 281 128 100 142 142 86 221 150 100 502 200 50 46 138 82 85 142 78 103 138 72 45 138 78 65 138 72 64 144 72 783 150 0 725 0 0 724 72 0 503 200 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

128
100√2
75√2
25√2
28
14√2
22
50√2
4√2
8
10
4
6
6√2
78
72
72√2
50