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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:102AE GHM

Order: 18

Horizontal side: 102 Vertical side: 102

Elements: 5√2, 10, 10√2, 12√2, 16√2, 24, 18√2, 19√2, 30, 32, 24√2, 36, 38, 32√2, 33√2, 48, 35√2, 54.

Code: 545 0 48 354 35 67 166 54 86 327 70 102 326 70 70 196 35 67 485 54 38 242 24 24 241 24 48 122 36 36 301 54 48 102 64 28 101 64 38 52 69 33 381 102 38 363 36 0 182 54 18 330 69 33

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)

54
35√2
16√2
32
32√2
19√2
48
24√2
24
12√2
30
10√2
10
5√2
38
36
18√2
33√2