0\begin{align*}R = \frac{{\Delta x}}{{kA}}\end{align*} 1\begin{align*}R = \frac{{\Delta x}}{{kA}}\end{align*} 2\begin{align*}R = \frac{{\Delta x}}{{kA}}\end{align*} 3\begin{align*}R = \frac{{\Delta x}}{{kA}}\end{align*} 4\begin{align*}R = \frac{{\Delta x}}{{kA}}\end{align*} 5\begin{align*}R = \frac{{\Delta x}}{{kA}}\end{align*} 6\begin{align*}R = \frac{{\Delta x}}{{kA}}\end{align*} 7\begin{align*}R = \frac{{\Delta x}}{{kA}}\end{align*} 8\begin{align*}R = \frac{{\Delta x}}{{kA}}\end{align*} 9\begin{align*}R = \frac{{\Delta x}}{{kA}}\end{align*}