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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:270AB GHM

Order: 18

Horizontal side: 270 Vertical side: 270

Elements: 6, 6√2, 12, 14, 12√2, 14√2, 24, 28, 24√2, 31√2, 62, 62√2, 90, 118, 90√2, 104√2, 180, 135√2.

Code: 1805 0 90 1354 135 135 1046 166 166 316 135 135 242 190 142 243 190 118 122 202 130 123 202 118 62 208 124 63 208 118 622 270 62 147 166 118 146 166 104 287 180 118 1183 208 0 905 0 0 904 90 0 623 270 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)

180
135√2
104√2
31√2
24√2
24
12√2
12
6√2
6
62√2
14
14√2
28
118
90
90√2
62