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

  • question_answer
    In the given figure, \[AB||CD\] and \[AD||BC\] If the perimeter of \[\Delta ABD=30\text{ }cm,\]then what is the perimeter of quadrilateral ABCD?

    A)  25 cm                        

    B)  30 cm        

    C)  35 cm           

    D)  50 cm

    Correct Answer: B

    Solution :

    (b): Perimeter ABCD \[=2\times \]Perimeter \[\Delta ABD-2\times BD\] \[=2\times 30-2\times 7=46\]


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