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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:125AC GHM

Order: 19

Horizontal side: 125 Vertical side: 125

Elements: 1√2, 2, 15, 20, 21, 22, 25, 20√2, 21√2, 33, 25√2, 40, 42, 32√2, 50, 40√2, 42√2, 50√2, 52√2.

Code: 522 52 73 504 50 75 503 100 75 252 125 100 251 125 125 406 85 60 21 52 75 12 53 74 331 85 75 157 85 75 320 53 74 405 85 20 216 0 21 427 21 42 420 63 42 221 85 42 215 0 0 204 105 0 203 125 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)

52√2
50√2
50
25√2
25
40√2
2
1√2
33
15
32√2
40
21√2
42
42√2
22
21
20√2
20