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10th Class Mathematics Triangles Question Bank Triangles

  • question_answer
    In the given figure, \[\Delta ABC\tilde{\ }\Delta DCB,\] then \[AB\times DB=\]

    A)  \[OA\times OD\]                    

    B)  \[OB\times OC\]           

    C)           \[AB\times DC\]         

    D)         \[DC\times AC\]

    Correct Answer: D

    Solution :

    Since \[\Delta 's\] ABC and DCB are similar, \[\therefore \] \[\frac{AB}{AC}=\frac{DC}{DB}\] \[\Rightarrow \] \[AB\times DB=DC\times AC\]


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