The radii of two concentric circles are  65 \(cm\) and 63 \(cm\). If the chord of the larger circle touches the smaller circle externally at a point, then find the length of the chord.
 
Answer:
 
The given information is geometrically represented as:
 
Prob 6.png
 
\(AB\) \(=\) \(cm\)
 
The length of the chord is  \(cm\).