Q: What was the geometry student looking for at the beach? 1 x; m" y# _9 _% D. z7 L0 p% g7 A$ G0 f! m8 d
A: A tangent. 2 z8 h( F! d$ G; z+ W2 l" m
5 V6 l7 k; |7 X% w& |$ _7 `tangent 2 f* J1 Q2 s! _* Y/ m noun( ]; C& |. ~0 o. g% G# b- 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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