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7th Class Mathematics The Triangle and its Properties Question Bank Triangles

  • question_answer
    Which type of triangle is formed by \[BC=7.2\,\,cm,\] \[AC=6\text{ }cm\] and \[\angle {{120}^{o}}\]?

    A)  An acute angled triangle.

    B)  An obtuse angled triangle.  

    C)  A right angled triangle.

    D)  An isosceles triangle.

    Correct Answer: B

    Solution :

       Since \[\angle C={{120}^{o}}>{{90}^{o}},\] the triangle formed is obtuse.


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