Question

    In triangle ABC, the bisector of angle BAC cuts the side

    BC at D. If AB = 10 cm, and AC = 14 cm then what is BD : BC ?
    A 7 : 5 Correct Answer Incorrect Answer
    B 5 : 3 Correct Answer Incorrect Answer
    C 5 : 7 Correct Answer Incorrect Answer
    D 5 : 2 Correct Answer Incorrect Answer

    Solution

    According to the concept, AB/AC = BD/DC 10/14 = BD/DC 5/7 = BD/DC So, BD : DC = 5 : 7 ∴ The required answer is 5 : 7.

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