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# Point Picking

In finding the average area of a triangle chosen from a closed, bounded, convex region of the plane, then , for any nonsingular affine transformation of the plane.

18-Point Problem, Ball Line Picking, Ball Triangle Picking, Cube Line Picking, Cube Point Picking, Cube Tetrahedron Picking, Cube Triangle Picking, Discrepancy Theorem, Disk Line Picking, Disk Point Picking, Disk Triangle Picking, Happy End Problem, Line Line Picking, Line Segment Picking, Line Point Picking, Planar Distance, Simplex Simplex Picking, Sphere Line Picking, Sphere Point Picking, Sphere Tetrahedron Picking, Sylvester's Four-Point Problem, Tetrahedron Picking, Triangle Picking, Triangle Point Picking

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## References

Pfiefer, R. E. "The Historical Development of J. J. Sylvester's Four Point Problem." Math. Mag. 62, 309-317, 1989.

Point Picking

## Cite this as:

Weisstein, Eric W. "Point Picking." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PointPicking.html