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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:146AK GHM

Order: 18

Horizontal side: 146 Vertical side: 146

Elements: 12√2, 18, 13√2, 24, 18√2, 26, 22√2, 24√2, 36, 40, 44, 48, 40√2, 58, 44√2, 53√2, 58√2, 88.

Code: 887 0 146 580 88 146 581 146 146 126 18 76 247 30 88 246 30 64 487 54 88 226 80 66 447 102 88 446 102 44 186 0 58 365 18 40 263 80 40 132 93 53 185 0 40 530 93 53 405 0 0 404 40 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
58√2
58
12√2
24
24√2
48
22√2
44
44√2
18√2
36
26
13√2
18
53√2
40
40√2