Q: What was the geometry student looking for at the beach? : X7 `2 L# b: O( v # b1 A6 N& w0 p; CA: A tangent. & p$ ~& k3 W8 }, }$ z& w6 m3 f0 B
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tangent 5 }8 _ z3 U( o7 }; O noun 9 Q1 Q9 `4 c: x) E' Z (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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