Q: What was the geometry student looking for at the beach? % z) X+ H9 q% T; _/ ^' @# S0 }* ]7 {' k8 A+ @' L
A: A tangent. / o% O. D7 q" R. B8 R6 O
$ S9 @, D8 s- @/ g2 P3 w& p( E
tangent $ x% P* S& q" I4 d
noun + B7 @$ d% R; a8 H! d (geometry) a straight line that touches the outside of a curve but does not cross it
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发表于 2009-4-8 12:18
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