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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:104AI2of2 GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 6, 10, 8√2, 14, 10√2, 16, 13√2, 14√2, 18√2, 26, 28, 36, 26√2, 42, 34√2, 52, 39√2, 52√2.

Code: 525 0 52 524 52 52 346 70 70 180 70 70 262 26 26 394 39 13 100 78 52 101 88 52 165 88 36 423 68 0 147 68 42 140 82 42 61 88 42 84 96 28 363 104 0 287 68 28 263 26 0 132 39 13

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)

52
52√2
34√2
18√2
26√2
39√2
10√2
10
16
42
14
14√2
6
8√2
36
28
26
13√2