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In a ∆ABC, it is given that AD is the internal bisector of ∠A. If AB = 10cm, AC = 14cm and BC = 6cm, then CD = ?

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In a ∆ABC, it is given that AD is the internal bisector of ∠A. If AB = 10cm, AC = 14cm and BC = 6cm, then CD = ? 

(a) 4.8cm (b) 3.5cm (c) 7cm (d) 10.5cm

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By using angle bisector in ∆ABC, we have 

Hence, the correct answer is option (b). 

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