Q: What was the geometry student looking for at the beach? ; S/ X2 Z7 P8 ^. {# A; @. d " k; ~% y% j* s! C8 R- v7 v- {7 xA: A tangent. 9 @+ o5 l0 z, G5 ?+ v+ O1 ~8 U' @) v. I
tangent ; J' ?/ M J( m2 k- t) w6 H3 Y2 w
noun, O: t% ?# b6 E4 Q' |; T# e
(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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