Q: What was the geometry student looking for at the beach?6 q" ~& t& n: K% C
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A: A tangent. : |* \7 W( n% Z' ~" f/ K$ q/ f" a 4 p3 @) T% M2 i" _: ztangent ; b, }% H( ]9 t: C5 R; r noun / }" z F- s4 l6 R (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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