New 55% Off on All Courses - Enroll Now! Click Here

    Question

    If in a right angle triangle ABC, Angle B is a right

    angle. AB = 20 cm, BC= 21 cm if BD is perpendicular to AC find the length of BD? 
    B 7.06 cm Correct Answer Incorrect Answer
    C 4.61 cm Correct Answer Incorrect Answer
    D 6.72 cm Correct Answer Incorrect Answer
    E 14.48 cm Correct Answer Incorrect Answer

    Solution

    From phythogoras triplets of (20,21,29), Here hypotenuse = 29 So BD = (base x height)/hypotenuse = 20 x (21/29) = 420/29 = 14.48 cm

    Practice Next

    Relevant for Exams: