Squaring.net >> IRTS >> PPIRTSS >> Order 18

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:150AA GHM

Order: 18

Horizontal side: 150 Vertical side: 150

Elements: 13√2, 14√2, 26, 30, 25√2, 26√2, 38, 40, 30√2, 32√2, 50, 52, 40√2, 58, 60, 46√2, 80, 60√2.

Code: 602 60 90 464 46 104 320 92 150 581 150 150 146 46 104 387 60 118 136 85 105 267 98 118 260 124 118 250 85 105 521 150 92 603 60 30 507 60 80 803 110 0 402 150 40 403 150 0 305 0 0 304 30 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)

60√2
46√2
32√2
58
14√2
38
13√2
26
26√2
25√2
52
60
50
80
40√2
40
30
30√2