Q: What was the geometry student looking for at the beach? ! b; S9 y6 u( M. z I $ b3 w5 E; r6 V: D& m- U! j- oA: A tangent. , d7 U" @% W1 Q$ k8 Z1 z: V( X# x# i# r H! F0 o
tangent ; o2 w4 m B8 B4 f- S* x noun, _$ [5 T# l5 |# b2 b
(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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