9th Class Mathematics Sample Paper Mathematics Sample Paper-3

  • question_answer
    If angles of a triangle are in the ratio\[1:4:7\], then find the largest angle.

    A) \[135{}^\circ \]          

    B) \[84{}^\circ \]

    C) \[105{}^\circ \]

    D) \[75{}^\circ \]

    E) None of these

    Correct Answer: C


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