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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:80AP GHM

Order: 19

Horizontal side: 80 Vertical side: 80

Elements: 1, 2√2, 4, 4√2, 8, 6√2, 7√2, 12, 14, 10√2, 15, 14√2, 20, 26, 33, 40, 33√2, 47, 40√2.

Code: 475 0 33 404 40 40 403 80 40 74 47 33 60 54 40 261 80 40 13 48 33 127 48 34 106 50 24 205 60 14 337 0 33 330 33 33 151 48 33 20 50 24 47 48 22 46 48 18 85 52 14 144 66 0 143 80 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)

47
40√2
40
7√2
6√2
26
1
12
10√2
20
33
33√2
15
2√2
4
4√2
8
14√2
14