Multiple Choice Questions on If two concentric circles are of radii 5 cm and 3 cm then the length of the chord of the larger circ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

If two concentric circles are of radii 5 cm and 3 cm then the length of the chord of the larger circ...........

Quantitative Aptitude ( CCS) Geometry
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    If two concentric circles are of radii 5 cm and 3 cm, then the length of the chord of the larger circle which touches the smaller circle is

    4 cm

    Incorrect Answer

    6 cm

    Incorrect Answer

    8 cm

    Correct Answer

    10 cm

    Incorrect Answer
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    Explanation:


    OC = 3 cm and OA = 5 cm
    In ΔAOC, By pythagoras theorem,
    AC = v(OA2 – OC2)= v(52 – 32)= 4 cm
    ∴  AB = 2 × AC = 2 × 4 = 8 cm

    By: MIRZA SADDAM HUSSAIN
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