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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:70AS GHM

Order: 19

Horizontal side: 70 Vertical side: 70

Elements: 2√2, 4, 3√2, 5, 4√2, 6, 5√2, 8, 7√2, 10, 8√2, 15, 20, 25, 30, 35, 40, 30√2, 35√2.

Code: 405 0 30 354 35 35 353 70 35 54 40 30 53 45 30 205 45 15 251 70 35 307 0 30 300 30 30 151 45 30 84 53 7 83 61 7 42 65 11 41 65 15 22 67 13 63 67 7 32 70 10 103 70 0 74 60 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)

40
35√2
35
5√2
5
20
25
30
30√2
15
8√2
8
4√2
4
2√2
6
3√2
10
7√2