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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:142CG GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 4, 4√2, 8, 6√2, 8√2, 14, 14√2, 15√2, 28, 27√2, 28√2, 42, 56, 58, 42√2, 72, 64√2, 100.

Code: 1007 0 142 723 100 70 427 100 142 426 100 100 152 115 85 270 115 85 286 0 42 567 28 70 66 78 64 85 84 62 84 92 62 640 78 64 45 84 58 44 88 58 581 142 58 285 0 14 145 0 0 144 14 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)

100
72
42
42√2
15√2
27√2
28√2
56
6√2
8
8√2
64√2
4
4√2
58
28
14
14√2