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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:87AC GHM

Order: 19

Horizontal side: 87 Vertical side: 87

Elements: 3, 5√2, 11√2, 17, 18, 14√2, 22, 23, 25, 18√2, 27, 28, 22√2, 23√2, 33, 36, 27√2, 32√2, 46.

Code: 337 0 87 226 11 65 275 33 60 274 60 60 326 55 55 116 0 54 225 11 43 177 33 60 140 50 60 54 55 55 365 0 18 33 36 43 287 36 46 463 64 0 232 87 23 251 36 43 233 87 0 185 0 0 184 18 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)

33
22√2
27
27√2
32√2
11√2
22
17
14√2
5√2
36
3
28
46
23√2
25
23
18
18√2