Q: What was the geometry student looking for at the beach? ' I" ?9 H. x( [- h6 z8 R" o 7 u2 ~4 o9 F; f' [A: A tangent. ' t2 F1 J* `7 S2 K7 `6 t+ p- H' b4 \2 D) z5 a
tangent 2 S0 D% z! n" ~8 P' U
noun8 e# z/ s/ H7 F$ b# L, X
(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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