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7th Class Mathematics Lines and Angles Question Bank Lines & Angles

  • question_answer
    Direction: based on the following figures
    If \[\angle 2=70{}^\circ ,\]what is the measure of\[\angle 4+\angle 5\]?

    A)  \[180{}^\circ \]                    

    B)  \[110{}^\circ \]          

    C)  \[90{}^\circ \]                      

    D)  \[70{}^\circ \]

    Correct Answer: A

    Solution :

    (a): \[\angle 2=\angle 4=70{}^\circ \] \[\angle 4+\angle 5=180{}^\circ \] \[\therefore \,\,\,\angle 2+\angle 5=70{}^\circ +110{}^\circ =180{}^\circ \]   


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