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9th Class Mathematics Triangles Question Bank Triangles

  • question_answer
    In the given figure\[\Delta ABD\cong \Delta ACD\]\[AB=AC\],\[BC=CD\] By which criterion are the triangles congruent?

    A)  S.S.S.             

    B)  R.H.S.

    C)  S.A.S.

    D)         A.S.A.

    Correct Answer: A

    Solution :

    \[AB=AC\](Given) \[BD=DC\](Given) \[AD=AD\](Common side) Hence, the triangles are congruent by S.S.S. criterion.


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