In the below figure, \(\Delta ABC\) is circumscribing a circle. Find the length of \(BC\), if \(x = 2 \ cm\), \(y = 4 \ cm\) and \(z = 14 \ cm\).
Answer:
The lengths of the two tangents drawn from same external point to a circle are .
The length of \(BC\) \(=\) \(cm\)