Q: What was the geometry student looking for at the beach?; E0 c- W, E8 y _- X
- N3 f) K) G( Q) B/ w# f2 R7 BA: A tangent. 5 x& M, H5 q; {& K, F9 ^ & D8 w' S: T4 ~7 P3 e+ V9 Qtangent ) x5 S; G s7 _% P M noun: ?# }7 i* h9 p: z1 Q2 \4 q
(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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