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10th Class Mathematics Triangles Question Bank Triangles

  • question_answer
    The ratio of areas of two similar triangles is 81:49. If the median of one triangle is 4.9 cm, what is the median of the other?

    A)  4.9 cm                                 

    B)  6.3 cm

    C)  7 cm                                     

    D)  9 cm

    Correct Answer: B

    Solution :

     Let the median of the other triangle be\[{{t}_{m}}=a+(m-1)d\] cm. Then \[{{t}_{n}}=a+(n-1)d\] \[d=-1\]\[\text{a}=\text{n}+\text{m}-\text{1}\] \[\Rightarrow \]The other median = 6.3 cm


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