Q: What was the geometry student looking for at the beach? : ~! d9 J& h6 w+ D3 \ Q- q; B# M+ l 2 I: D" ^$ ~( ]5 d' _* ^( N! F3 AA: A tangent. 7 {0 E* g8 U* d* @3 l' v: g2 N0 A, ~; @! v' o1 y9 U6 B5 T
tangent 6 e7 w* U* c9 @6 E$ b noun: }+ Q8 [3 r4 V! i' O% T/ q
(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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