Q: What was the geometry student looking for at the beach? 6 n6 K r2 m( M; R {& T. U$ E& H. Z( u- K# G; K
A: A tangent. * k8 b: L) b6 p% N. d) d U0 T* B/ F3 a" m# p, B
tangent u9 {8 E9 M- c; H: f
noun 7 E6 T0 j K- w$ P% x! r/ g (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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