Q: What was the geometry student looking for at the beach? 5 `. U/ a3 ^5 N; \& H4 f8 x $ W/ U' u3 s1 B, gA: A tangent. # @$ {: i4 H% u- d0 S* l" H. a/ ?7 Z; P) [7 {* J d8 x+ x2 M
tangent % u0 o* j5 ?4 Z! \: n% L- C
noun $ _& h8 x- Q3 L ]4 s, P8 `8 v+ x (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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