Q: What was the geometry student looking for at the beach? & D& t) C. M% R. S- e- a! _" i# d! s0 r/ j# h0 D! Y
A: A tangent. * r( V4 ^4 z' E9 H+ |/ w) k
2 z7 a$ c" G$ u, A4 i% htangent 7 s* x4 ~1 j3 H noun 7 K. o! S- |4 |) M+ o (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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