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8th Class Mathematics Algebraic Expressions Question Bank Algebraic Expressions and Identities

  • question_answer
    Given that \[T=\frac{2\,\pi \,l}{\sqrt{{{l}^{2}}+{{g}^{2}}}},\] find the value of T if \[\pi =3.142,\,\,\,l=7.89\] and \[g=9.81\], (Give your answer correct to 3 significant figures.)

    A)  \[3.94\]                              

    B)  \[394\]                

    C)  \[39.4\]              

    D)         \[4.39\]                              

    Correct Answer: A

    Solution :

    Not Available


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