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  5. Surface Areas and Volumes

9th Class Mathematics Surface Areas and Volumes Question Bank Surface Areas and Volume

  • question_answer
    In a triangle, the average of any two sides is 18 cm more than half of the third side. The area of the triangle (in sq. cm) is _________

    A)  \[162\sqrt{3}\text{ }\]                                                   

    B)  \[324\sqrt{3}\text{ }\]

    C)  \[218\sqrt{3}\text{ }\]                                       

    D)  \[420\sqrt{3}\text{ }\]

    E) None of these

    Correct Answer: B

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