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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:88AK2of4 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: 407 0 88 406 0 48 302 70 58 301 70 88 152 85 73 94 79 79 93 88 79 61 85 79 32 88 76 31 88 79 483 88 28 242 24 24 207 40 28 280 60 28 281 88 28 243 24 0 165 24 8 85 24 0 84 32 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)

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