Question 13The circle is centred at $A$. Segments $BE,BF$ are tangents. Point $C$ lies on $AB$ and the circle, as shown. Point $D$ is on $BE$ with $CD\perp BE$. If $BE=12$ and $BC=8$, find $CD$. $\frac{25}{13}$$\frac{24}{13}$$\frac{40}{13}$$\frac{12}{5}$None of the above
