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

Primitive Perfect Isosceles Right Triangled Square

Title: dr 18:146AV4of4 GHM

Order: 18

Horizontal side: 146 Vertical side: 146

Elements: 8, 8√2, 9√2, 16, 12√2, 18, 24, 18√2, 24√2, 36, 37, 27√2, 28√2, 55, 73, 55√2, 91, 73√2.

Code: 915 0 55 734 73 73 733 146 73 184 91 55 183 109 55 92 118 64 371 146 73 280 118 64 557 0 55 550 55 55 274 82 28 80 90 36 81 98 36 245 98 12 244 122 12 363 146 0 161 98 28 124 110 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)

91
73√2
73
18√2
18
9√2
37
28√2
55
55√2
27√2
8√2
8
24
24√2
36
16
12√2