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Vectors in Geometry.

**Figure 1:** Algebraic operations on vectors
$\begin{figure} \mbox{ \subfigure[sum of two vectors]{\epsfig{file=vectorsum.eps... ... a vector by a scalar]{\epsfig{file=vectormult.eps,height=3cm} } } \end{figure}$

**Figure 2:** Properties of the sum of vectors.
$\begin{figure} \mbox{ \subfigure[commutativity]{\epsfig{file=commutvectorsum.ep... ...ure[associativity]{\epsfig{file=assocvectorsum.eps,height=3cm} } } \end{figure}$

Noah Dana-Picard
2001-02-26