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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:234AI GHM

Order: 19

Horizontal side: 234 Vertical side: 234

Elements: 13√2, 20, 19√2, 20√2, 30, 25√2, 38, 40, 30√2, 32√2, 34√2, 53, 45√2, 64, 85, 117, 85√2, 149, 117√2.

Code: 1495 0 85 1174 117 117 1173 234 117 324 149 85 190 181 117 531 234 117 130 162 98 381 200 98 342 234 64 857 0 85 850 85 85 454 130 40 250 175 85 643 234 0 200 150 60 201 170 60 302 200 30 301 200 60 401 170 40

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)

149
117√2
117
32√2
19√2
53
13√2
38
34√2
85
85√2
45√2
25√2
64
20√2
20
30√2
30
40