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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:146AH GHM

Order: 18

Horizontal side: 146 Vertical side: 146

Elements: 3√2, 6, 6√2, 12, 10√2, 20, 15√2, 20√2, 21√2, 30, 27√2, 40, 43, 58, 73, 58√2, 88, 73√2.

Code: 885 0 58 734 73 73 733 146 73 154 88 58 30 103 73 431 146 73 123 100 58 62 106 64 61 106 70 405 106 30 276 79 37 587 0 58 580 58 58 214 79 37 205 106 10 204 126 10 303 146 0 104 116 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)

88
73√2
73
15√2
3√2
43
12
6√2
6
40
27√2
58
58√2
21√2
20
20√2
30
10√2