Q: What was the geometry student looking for at the beach?4 O2 `5 Q) W6 {8 ^8 q9 V N. X: D
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A: A tangent. 7 D# U- t+ n3 f4 r
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tangent * e; f* Q/ }( L2 @7 D1 L noun/ b6 x- Y+ H) d! g/ t, J4 h) ^4 {
(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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