Q: What was the geometry student looking for at the beach? 7 [ t' H. C( Y* I) I5 l6 \0 s+ k5 s% W" D
A: A tangent. + J* a5 h$ N- S) n* q; j1 _
% S( i! o: o) |1 a5 j
tangent ; |) O& m0 z, H- k6 o( a
noun7 p, A; z3 ~: ]9 _( ^
(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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