Multiple Choice Questions on ang ABC is isosceles having AB AC and ang A 40 deg Bisectors PO and OQ of the exterior angles ang A........... for SSC CGL Exam Preparation

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Multiple Choice Questions

ang ABC is isosceles having AB AC and ang A 40 deg Bisectors PO and OQ of the exterior angles ang A...........

Quantitative Aptitude (CGL) Coordinate Geometry
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    ∠ABC is isosceles having AB = AC and ∠A = 40°. Bisectors PO and OQ of the exterior angles ∠ABD and ∠ACE formed by producing BC on both sides, meet at O. Then the value of ∠BOC is

    70°

    Correct Answer

    110°

    Incorrect Answer

    80°

    Incorrect Answer

    55°

    Incorrect Answer
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    Explanation:

    AB=AC
    ∴∠B=∠C
    ∠=180−402
    ∠B=70
    ∠B=∠C=70°
    ∠BOC=90−∠A2
    =90−20
    =70°

    By: MIRZA SADDAM HUSSAIN
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