10th Class Mathematics Triangles Question Bank MCQs - Triangles

  • question_answer
    In the given figure,\[\Delta ACB\tilde{\ }\Delta APQ\]. If  \[AB=6cm,\]\[BC=8cm\]and \[PQ=4cm,\]then \[AQ\]is equal to:

    A) \[2\,cm\]

    B) \[2.5\,cm\]

    C) \[3\,cm\]

    D) \[3.5\,cm\]

    Correct Answer: C

    Solution :

    [c]   \[\Delta ACB\tilde{\ }\Delta APQ\]
    \[\therefore \,\,\,\,\,\,\,\,\,\,\,\,\frac{BC}{PQ}=\frac{AB}{AQ}\,\,\,\,\,\,\,\,\,\,\Rightarrow \,\,\,\,\,\,\,\frac{8}{4}=\frac{6}{AQ}\]
    \[\Rightarrow \,\,\,\,\,\,\,\,\,\,\,\,AQ=\frac{6\times 4}{8}\,\,\,\,\,\,\,\,\,\Rightarrow \,\,\,\,\,AQ=3\,cm\]


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