Q: What was the geometry student looking for at the beach?0 F% j g7 h& x1 E/ _6 i
4 a7 a9 l+ l) d# K3 N dA: A tangent. / t! P) y' I+ B7 S6 O& o- k! ]$ Z- R; p8 b, R) `
tangent & t" W+ D6 z' j) k E! e7 m
noun' U' Q8 h$ O. w1 A% k
(geometry) a straight line that touches the outside of a curve but does not cross it
狗仔卡
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发表于 2009-4-8 12:18
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