Q: What was the geometry student looking for at the beach?( r% `& ]5 Y0 L; J- l+ F/ G o9 S
7 S/ Y- J, j' Q+ e) u. O
A: A tangent. ; g5 G9 m+ q, g: _4 q7 X
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tangent # W% o8 ?6 t$ m/ M" l* l6 F
noun 2 R1 G# I' f9 {2 ?5 S5 q& M (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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