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

  • question_answer
    Direction: based on the following figures
    If the measure of \[\angle 2=70{}^\circ ,\]what is the measure of\[\angle 6\].

    A)  \[110{}^\circ \]                                

    B)  \[70{}^\circ \]       

    C)  \[45{}^\circ \]                      

    D)  \[120{}^\circ \]

    Correct Answer: B

    Solution :

    (b): \[\angle 2=\angle 4\] (Vertically opposite) \[\angle 4=\angle 8\] (Alternate angles) \[\angle 8=\angle 6\] (vertically opposite angles)  \[\therefore \text{ }\angle 2=\angle 4=\angle 6=70{}^\circ \]  


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