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10th Class Mathematics Triangles Question Bank MCQs - Triangles

  • question_answer
    Given \[\Delta ABC\tilde{\ }PQR,\]if \[\frac{AB}{PQ}=\frac{1}{3},\]then \[\frac{ar(\Delta ABC)}{ar(\Delta PQR)}\]is:

    A) \[1:3\]

    B) \[3:1\]

    C) \[9:1\]

    D) \[1:9\]

    Correct Answer: D

    Solution :

    [d] \[\frac{ar(\Delta ABC)}{ar(\Delta PQR)}=\frac{A{{B}^{2}}}{P{{Q}^{2}}}={{\left( \frac{1}{3} \right)}^{2}}=\frac{1}{9}\]


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