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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:262AC GHM

Order: 19

Horizontal side: 262 Vertical side: 262

Elements: 2√2, 4, 3√2, 4√2, 6, 5√2, 8√2, 30, 30√2, 60, 82, 60√2, 90, 112, 82√2, 120, 90√2, 150, 172.

Code: 1727 0 262 1123 172 150 907 172 262 906 172 172 82 180 164 56 175 159 822 262 82 30 175 159 67 172 156 20 178 156 40 176 154 41 180 154 606 0 90 1207 60 150 1503 180 0 605 0 30 823 262 0 305 0 0 304 30 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)

172
112
90
90√2
8√2
5√2
82√2
3√2
6
2√2
4√2
4
60√2
120
150
60
82
30
30√2