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

Primitive Perfect Isosceles Right Triangled Square

Title: _e 19:275AA GHM

Order: 19

Horizontal side: 275 Vertical side: 275

Elements: 10√2, 20, 28, 20√2, 28√2, 40, 42, 56, 42√2, 60, 70, 56√2, 65√2, 98, 70√2, 112, 135, 105√2, 205.

Code: 2057 0 275 656 140 210 707 205 275 706 205 205 1123 140 98 1052 245 105 605 205 145 401 245 145 202 265 125 201 265 145 102 275 135 1353 275 0 286 0 70 565 28 42 564 84 42 983 140 0 285 0 42 425 0 0 424 42 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)

205
65√2
70
70√2
112
105√2
60
40
20√2
20
10√2
135
28√2
56
56√2
98
28
42
42√2