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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:316AH GHM

Order: 19

Horizontal side: 316 Vertical side: 316

Elements: 5√2, 20√2, 30, 25√2, 40, 30√2, 44, 50, 44√2, 66, 48√2, 70, 88, 66√2, 114, 158, 114√2, 202, 158√2.

Code: 2025 0 114 1584 158 158 1583 316 158 444 202 114 443 246 114 505 246 108 701 316 158 1147 0 114 1140 114 114 664 180 48 663 246 48 302 276 78 254 271 83 200 296 108 56 271 83 407 276 88 883 316 0 303 276 48 484 228 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)

202
158√2
158
44√2
44
50
70
114
114√2
66√2
66
30√2
25√2
20√2
5√2
40
88
30
48√2