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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:140BU GHM

Order: 19

Horizontal side: 140 Vertical side: 140

Elements: 4√2, 8, 8√2, 12, 16, 19, 14√2, 20, 16√2, 20√2, 31, 25√2, 40, 45, 50, 45√2, 70, 95, 70√2.

Code: 955 0 45 704 70 70 703 140 70 254 95 45 403 120 30 202 140 50 201 140 70 503 140 0 457 0 45 450 45 45 311 76 45 197 76 45 46 76 26 87 80 30 86 80 22 165 88 14 164 104 14 125 76 14 144 90 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)

95
70√2
70
25√2
40
20√2
20
50
45
45√2
31
19
4√2
8
8√2
16
16√2
12
14√2