Multiple Choice Questions on The circumcenter of a triangle ABC is O If ang BAC 85 ang BCA 75 then ang OAC is of ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

The circumcenter of a triangle ABC is O If ang BAC 85 ang BCA 75 then ang OAC is of ........

Quantitative Aptitude ( CCS) Geometry
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    The circumcenter of a triangle ABC is O. If ∠BAC = 85, ∠BCA = 75, then ∠OAC is of

    70°

    Correct Answer

    72°

    Incorrect Answer

    75°

    Incorrect Answer

    74°

    Incorrect Answer
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    Explanation:

    Since, OA=OB=OC; hence, angle OAC= angle OCA;
    Hence, angle OAC= (180-40)/2=70 degree.

    By: MIRZA SADDAM HUSSAIN
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