Q: What was the geometry student looking for at the beach?* V7 d% l/ i. w. Y# z! X
/ F9 k6 Q5 U) ~' q% s$ O. y/ E S& n! QA: A tangent. . L5 P1 G$ n0 f$ W+ @& g7 r4 t& V5 C) K
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tangent 2 f3 L1 y5 o- k1 T
noun - u3 ~( }/ _0 p' n0 z# s' D9 t (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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