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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:112AA GHM

Order: 19

Horizontal side: 112 Vertical side: 112

Elements: 4, 4√2, 8, 12, 16, 24, 17√2, 21√2, 24√2, 34, 38, 40, 42, 30√2, 44, 48, 34√2, 40√2, 44√2.

Code: 445 0 68 444 44 68 240 88 112 241 112 112 46 60 84 85 64 80 481 112 88 163 60 68 45 60 80 127 60 80 423 72 38 402 112 40 342 34 34 304 30 38 403 112 0 214 51 17 383 72 0 343 34 0 172 51 17

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)

44
44√2
24√2
24
4√2
8
48
16
4
12
42
40√2
34√2
30√2
40
21√2
38
34
17√2