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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:88AK4of4 GHM

Order: 19

Horizontal side: 88 Vertical side: 88

Elements: 3, 3√2, 6, 8, 9, 8√2, 9√2, 16, 20, 15√2, 24, 28, 30, 24√2, 28√2, 40, 30√2, 48, 40√2.

Code: 487 0 88 306 18 58 402 88 48 401 88 88 156 3 43 305 18 28 246 64 24 36 0 40 65 3 37 35 0 37 97 0 37 90 9 37 287 0 28 280 28 28 201 48 28 163 64 8 245 64 0 84 56 0 83 64 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)

48
30√2
40√2
40
15√2
30
24√2
3√2
6
3
9
9√2
28
28√2
20
16
24
8√2
8