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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:208BN GHM

Order: 19

Horizontal side: 208 Vertical side: 208

Elements: 2√2, 4, 3√2, 4√2, 6, 5√2, 8√2, 15√2, 22, 30, 37, 37√2, 67, 74, 67√2, 104, 74√2, 134, 104√2.

Code: 1345 0 74 1044 104 104 1043 208 104 301 134 104 225 134 82 374 171 67 373 208 67 42 138 78 61 140 82 32 143 79 84 148 74 150 156 82 50 143 79 43 138 74 22 140 76 745 0 0 744 74 0 670 141 67 671 208 67

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)

134
104√2
104
30
22
37√2
37
4√2
6
3√2
8√2
15√2
5√2
4
2√2
74
74√2
67√2
67