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7th Class Mathematics Practical Geometry Question Bank Practical Geometry

  • question_answer
    A Choose the correct option in which a triangle CANNOT be constructed with the given lengths of sides.

    A)  3 cm, 4 cm, 5 cm

    B)  7 cm, 6 cm, 5 cm

    C)  10 cm, 7 cm, 2 cm  

    D)  12 cm, 8 cm, 6 cm

    Correct Answer: C

    Solution :

     The difference of any two sides of a triangle must be less than the third side. This property of triangles is not satisfied   by   the   given measurements as \[10-7=3>2\] and \[10-2=8>7,\] though \[7-2=5<10\] is true.


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