Squaring.net >> IRTS >> PPIRTSS >> Order 19

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:82AD GHM

Order: 19

Horizontal side: 82 Vertical side: 82

Elements: 2√2, 8, 8√2, 14, 16, 12√2, 18, 21, 24, 25, 18√2, 28, 21√2, 32, 24√2, 25√2, 36, 27√2, 32√2.

Code: 325 0 50 324 32 50 180 64 82 181 82 82 143 46 50 242 70 40 361 82 64 252 25 25 251 25 50 217 25 50 216 25 29 243 70 16 122 82 28 22 27 27 283 82 0 270 27 27 87 46 16 86 46 8 167 54 16

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)

32
32√2
18√2
18
14
24√2
36
25√2
25
21
21√2
24
12√2
2√2
28
27√2
8
8√2
16