8th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    If the altitude of an equilateral triangle is \[4m\times 2m\]cm, its area is

    A)  \[625c{{m}^{2}}\]         

    B)  \[125c{{m}^{2}}\]

    C)  \[150c{{m}^{2}}\]             

    D)  \[100c{{m}^{2}}\]

    Correct Answer: A

    Solution :

    \[\frac{\sqrt{3}}{2}\times side=\sqrt{6}\] Side\[=2\sqrt{2}\,cm.\] Area \[=2r=\frac{100}{\pi }cm\]      


You need to login to perform this action.
You will be redirected in 3 sec spinner