Q: What was the geometry student looking for at the beach?' Q# n- c. X- Q$ [
1 w# W0 X6 ^$ p. e) W% m
A: A tangent. " ]- ^7 s% M) }# h4 F$ P& ]6 |- }" B$ D: Z0 q' g
tangent 5 O7 B0 F# v- j% u6 @! q noun N' k- Q H1 U7 W) g! g& l/ T
(geometry) a straight line that touches the outside of a curve but does not cross it
狗仔卡
鲜花(
鸡蛋(
发表于 2009-4-8 12:18
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