Two circles: x2+y2=5/4 and z=0, and x2+z2=1 and y=0
Convex hull of these circles.
The edges form the irrational (2,2) curve s2t2 +9t2 -9s2 - 1
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Two circles: x2+y2=5/4 and z=0, and x2+z2=1 and y=0 |
Convex hull of these circles. The edges form the irrational (2,2) curve s2t2 +9t2 -9s2 - 1 |