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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:124BY GHM

Order: 19

Horizontal side: 124 Vertical side: 124

Elements: 4, 4√2, 8, 7√2, 10, 12, 14, 12√2, 22, 16√2, 28, 32, 30√2, 32√2, 46, 39√2, 46√2, 78, 62√2.

Code: 785 0 46 624 62 62 306 94 94 323 94 62 225 94 72 107 94 72 120 104 72 121 116 72 85 116 64 45 116 60 44 120 60 326 92 32 164 78 46 143 92 46 287 92 60 465 0 0 464 46 0 76 85 39 390 85 39

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)

78
62√2
30√2
32
22
10
12√2
12
8
4
4√2
32√2
16√2
14
28
46
46√2
7√2
39√2