MathForSmartyPants.com MFSP Home

Problem of the Week

Geometry Series #4
-------10/29/07-------

S is a conic and l a line which does not lie in the plane of S, but meets S in a point P. Prove that if a projectivity is established between the joins of corresponding points of l and S in this projectivity form a regulus (The locus of lines meeting three given skew lines).



(Geometry: A Comprehensive Course)


Back to the Resources Page