In the figure, BC is a chord and PA is a tangent to the circle. PB = 4 cm, PA = 6 cm the length of the chord BC is :

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In the figure, BC is a chord and PA is a tangent to the circle. PB = 4 cm, PA = 6 cm the length of the chord BC is :

D10

Answer:

C. 5

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5 cm

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