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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:76AK2of4 GHM

Order: 19

Horizontal side: 76 Vertical side: 76

Elements: 4√2, 6, 8, 6√2, 8√2, 10√2, 12√2, 18, 20, 15√2, 24, 28, 20√2, 21√2, 30, 24√2, 36, 28√2, 40.

Code: 367 0 76 216 15 55 242 60 52 241 60 76 122 72 64 84 68 68 83 76 68 44 72 64 403 76 28 150 15 55 202 20 20 301 30 40 62 36 34 63 36 28 187 30 28 280 48 28 281 76 28 203 20 0 102 30 10

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)

36
21√2
24√2
24
12√2
8√2
8
4√2
40
15√2
20√2
30
6√2
6
18
28√2
28
20
10√2