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  5. Congruence of Triangles

7th Class Mathematics Congruence of Triangles Question Bank Congruence of Triangles

  • question_answer
    In \[\Delta ABC\] and \[\Delta DEF,\] \[AC=DF,\text{ }AB=EF\] and \[BC=DE\]. By which property are \[\Delta ABC\]and \[\Delta \,le\] (formed by three points D, E & F) congruent?

    A)  R.H.S property          

    B)  S.S.S. property 

    C)  S.A.S. property          

    D)  A.S.A. property

    Correct Answer: B

    Solution :

    (b): When sides of \[\Delta \,ABC\] and superimposed over sides of Ale FED, they are equal. Here, we are not calling Ale formed by three points D, E & F as Ale DEF. It is actually \[\Delta \,FED\] by theory of congruency.


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