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

  • question_answer
    Which of the following are measurements of two triangles by which they are congruent under S.A.S condition?

    A)  \[\Delta ABC:\angle B={{50}^{o}},BC=5cm,\] and \[AB=7cm.\] \[\Delta DEF:\angle E={{50}^{0}},EF=7cm,\]and\[DE=5cm.\]  

    B)  \[\Delta ABC:BC=6cm,\] \[AC=4\,\,cm\] and \[\angle B={{35}^{o}}\] \[\Delta DEF:DF=4\,cm,\] \[EF=6\,cm\] and \[\angle D={{55}^{o}}\]

    C) \[\Delta ABC:AB=4.5cm,\]\[AC=4cm\]and\[\angle A={{60}^{o}}\] \[\Delta DEF:DE=4cm,FD=4.5cm\]and\[\angle D={{55}^{o}}\]

    D)  Either [b] or [c]

    Correct Answer: A

    Solution :

     The measurements in option [a] are the measurements of two triangles under S.A.S condition.


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