Q: What was the geometry student looking for at the beach?3 t) |2 n$ V* Q6 p3 J4 [. C
5 T5 d* [; L5 w+ H
A: A tangent. $ t0 d3 Z2 y& ^. x* N! c' t
; m( r$ f* @9 _2 W8 q3 f1 k
tangent ; `/ Q$ j( K" j9 B* z( ]& u
noun ( S$ t/ j, d( s/ I3 H4 s5 i, z8 {8 T- f (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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