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

  • question_answer
    In the figure,\[AB||CD||EF\]. Which of the following statements is true?

    A)  \[a+b={{180}^{o}}\]       

    B)  \[b+c={{180}^{o}}\]

    C)         \[c+d={{180}^{o}}\]  

    D)         \[a+b+c={{360}^{o}}\]

    Correct Answer: A

    Solution :

    Since, \[AB||EF\] \[\therefore \]\[a+b={{180}^{o}}\]    (Consecutive in teriorangles)


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