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In the given figure, AP, AQ and BC are tangents to the circle. If AB = 5 cm, AC = 6 cm and BC = 4 cm then the length of AP is

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In the given figure, AP, AQ and BC are tangents to the circle. If AB = 5 cm, AC = 6 cm and BC = 4 cm then the length of AP is 

(a) 15 cm (b) 10 cm (c) 9 cm (d) 7.5 cm

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(d) 7.5 cm

We know that tangent segments to a circle from the same external point are congruent 

Therefore, we have

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