Q: What was the geometry student looking for at the beach? % C' U0 }- s! e" p& k2 Y0 c% Y f- Z7 R# P2 T* }/ Q
A: A tangent. . ]) p0 Y! w& ]+ |2 [- c3 G
( O$ B# F7 R1 W! R) [
tangent A- l( l4 j3 ^) {! O noun c& P5 m* B! I7 J
(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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