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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:152BF GHM

Order: 19

Horizontal side: 152 Vertical side: 152

Elements: 8, 8√2, 10√2, 15, 16, 14√2, 20, 15√2, 16√2, 20√2, 30, 22√2, 45, 46, 61, 76, 61√2, 91, 76√2.

Code: 915 0 61 764 76 76 763 152 76 154 91 61 153 106 61 222 128 54 461 152 76 617 0 61 610 61 61 451 106 61 140 128 54 80 114 40 81 122 40 202 142 20 201 142 40 102 152 30 167 106 32 166 106 16 303 152 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)

91
76√2
76
15√2
15
22√2
46
61
61√2
45
14√2
8√2
8
20√2
20
10√2
16
16√2
30