Q: What was the geometry student looking for at the beach?/ u3 ^* f) Y& M. }' o# p; m0 U
$ X8 f! ?% n% @6 t9 ]( G
A: A tangent. 9 Y: |0 [, L2 M+ ?; [4 H! x
( t1 Y& U9 d; G5 D6 }tangent 6 P4 D+ K& G/ o( g
noun0 X7 K% J, A. J9 k8 t
(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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