Q: What was the geometry student looking for at the beach?/ T& S, ~: l* y. W: c
# p1 Z& O2 z$ w- W. m
A: A tangent. 4 z( ^. l7 i7 E5 e+ k S* M4 U S) M; \ k8 y6 q. ]
tangent # d/ Y* m. W. K& V/ ]7 S8 V7 k noun. ]+ b+ ~2 r" h4 v/ R9 ~$ r' H
(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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