10th Class Mathematics Triangles Question Bank Case Based (MCQs) - Triangles

  • question_answer
    The sum of the length Q'R' and P'S' is:

    A) \[\text{12}.\text{3 cm}\]

    B) \[\text{6}.\text{7 cm}\]

    C) \[\text{19}.\text{8 cm}\]

    D) \[\text{9 cm}\]

    Correct Answer: C

    Solution :

    \[Q'R'=3\,QR=3\times 3.5=10.5\,cm\]
    and \[P'S'=3\,PS=3\times 3.1=9.3\,cm\]
    \[\therefore \,\,\,\,\,\,\,\,\,\,Q'R'+P'S'=10.5+9.3=19.8\,cm\]
    So, option [c] is correct.

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