In the given figure, $P C$ is a tangent and $P B A$ is a secant to the circle from the point $P . P C = 6 c m$ and $P B = 4 c m$ .
What will be the length of the chord $A B$ ?

3 c m

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5 c m

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7 c m

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9 c m

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Solution

The correct option is B $5 c m$

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