Q: What was the geometry student looking for at the beach? 7 P+ }. Z) O' Q; i% G+ D5 \4 [# V3 z% `, S2 I! x/ w7 t. d
A: A tangent. ' z! z9 A$ O9 P. N& R$ C$ U3 W2 c
1 Q( K8 P* l( v$ ]; n& x
tangent # D6 S* W9 q" x! t2 Y8 I noun; T6 a4 J7 C' |4 N+ }
(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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