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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:152CU GHM

Order: 19

Horizontal side: 152 Vertical side: 152

Elements: 1√2, 2, 2√2, 4, 5√2, 6√2, 7√2, 9√2, 11√2, 22, 27, 27√2, 49, 54, 49√2, 76, 54√2, 98, 76√2.

Code: 985 0 54 764 76 76 763 152 76 221 98 76 92 107 67 274 125 49 273 152 49 70 107 67 20 100 60 21 102 60 12 103 59 64 108 54 110 114 60 50 103 59 47 98 58 545 0 0 544 54 0 490 103 49 491 152 49

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)

98
76√2
76
22
9√2
27√2
27
7√2
2√2
2
1√2
6√2
11√2
5√2
4
54
54√2
49√2
49