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6th Class Mathematics Practical Geometry Question Bank Geometry

  • question_answer
    In the given figure \[\angle A=112{}^\circ ,\,\,B=24{}^\circ \]find \[2\angle A-(\angle B+\angle C)=?\]

    A) \[156{}^\circ \]                     

    B)  \[165{}^\circ \]

    C) \[145{}^\circ \]                     

    D)  \[150{}^\circ \]

    Correct Answer: A

    Solution :

    \[\angle A+\angle B+\angle C=180{}^\circ \] \[112{}^\circ +24{}^\circ +x=180{}^\circ \] \[x=180{}^\circ -136{}^\circ =44{}^\circ \] Then, \[2\angle A-(\angle B+\angle C)\] \[2\times 112{}^\circ -(24+44)=224{}^\circ -68=156{}^\circ \]


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