Squaring.net >> IRTS >> PPIRTSS >> Order 18

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:200AM JDS

Order: 18

Horizontal side: 200 Vertical side: 200

Elements: 2, 2√2, 4, 4√2, 8, 14, 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 50 143 142 72 85 142 78 45 142 74 44 146 74 783 150 0 25 142 72 24 144 72 725 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
14
8
4
4√2
78
2
2√2
72
72√2
50