What was the geometry student looking for at the beach

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Q: What was the geometry student looking for at the beach?
* V7 _0 R4 @  \# ^* x+ l
# v2 Y2 i- n+ \) a" R0 u7 {A: A tangent.
( K+ ]  v- t- H/ d' G7 z" T
, [4 h1 Y- t  \# b: ]9 k% Ztangent  
4 M' y0 E5 H5 r noun
$ _$ b  E5 F: d( a0 I( h$ s4 n (geometry) a straight line that touches the outside of a curve but does not cross it