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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:152ER GHM

Order: 19

Horizontal side: 152 Vertical side: 152

Elements: 4, 3√2, 4√2, 6, 6√2, 9√2, 18, 28, 30, 24√2, 28√2, 40, 30√2, 48, 52, 52√2, 76, 100, 76√2.

Code: 1005 0 52 764 76 76 763 152 76 244 100 52 280 124 76 281 152 76 527 0 52 520 52 52 401 92 52 45 92 48 44 96 48 305 92 18 304 122 18 483 152 0 65 92 12 64 98 12 96 95 9 187 104 18 34 95 9

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)

100
76√2
76
24√2
28√2
28
52
52√2
40
4
4√2
30
30√2
48
6
6√2
9√2
18
3√2