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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:144AO GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 1√2, 6, 6√2, 12, 9√2, 10√2, 11√2, 17, 20, 22, 23, 20√2, 40, 52, 62, 72, 82, 62√2, 72√2.

Code: 825 0 62 724 72 72 723 144 72 104 82 62 90 92 72 521 144 72 10 83 63 121 95 63 62 101 57 61 101 63 235 101 40 627 0 62 620 62 62 221 84 62 112 95 51 173 101 40 401 124 40 202 144 20 203 144 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)

82
72√2
72
10√2
9√2
52
1√2
12
6√2
6
23
62
62√2
22
11√2
17
40
20√2
20