Q: What was the geometry student looking for at the beach? / \* }" _6 R% R; M& f- r% N: O( R' x# s. P% A6 ~5 \
A: A tangent. * j8 I$ u8 G! q2 y/ I2 i7 q L4 O) {7 _; ]& K2 _
tangent # K5 M' {* @6 k( U& g2 ^% e9 g, M noun7 b4 I+ e* W3 ?; z6 f3 Y+ m4 k5 a
(geometry) a straight line that touches the outside of a curve but does not cross it
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鲜花(
鸡蛋(
发表于 2009-4-8 12:18
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