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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:278AC GHM

Order: 19

Horizontal side: 278 Vertical side: 278

Elements: 6√2, 7√2, 12, 14, 12√2, 14√2, 24, 21√2, 24√2, 42, 48, 70, 84, 97, 118, 139, 160, 118√2, 139√2.

Code: 1605 0 118 1394 139 139 1393 278 139 214 160 118 70 181 139 971 278 139 140 174 132 141 188 132 845 188 48 1187 0 118 1180 118 118 701 188 118 481 236 48 242 260 24 241 260 48 122 272 36 121 272 48 62 278 42 423 278 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)

160
139√2
139
21√2
7√2
97
14√2
14
84
118
118√2
70
48
24√2
24
12√2
12
6√2
42