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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:140BL2of2 GHM

Order: 19

Horizontal side: 140 Vertical side: 140

Elements: 1, 1√2, 2, 2√2, 3, 12√2, 20, 24, 17√2, 19√2, 24√2, 34, 36, 34√2, 53, 70, 53√2, 87, 70√2.

Code: 875 0 53 704 70 70 703 140 70 174 87 53 120 104 70 361 140 70 33 92 55 247 92 58 240 116 58 20 89 55 21 91 55 12 92 54 11 92 55 203 92 34 537 0 53 530 53 53 194 72 34 344 106 0 343 140 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)

87
70√2
70
17√2
12√2
36
3
24
24√2
2√2
2
1√2
1
20
53
53√2
19√2
34√2
34