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

  • question_answer
    What is the surface area of solid given along side?                           

    A)  96 \[c{{m}^{2}}\]      

    B)  108 \[c{{m}^{2}}\]    

    C)  100 \[c{{m}^{2}}\]                

    D)  92 \[c{{m}^{2}}\]

    Correct Answer: A

    Solution :

    (a): \[AC=\sqrt{{{6}^{2}}+{{8}^{2}}}=10\] Surface Area \[=2\times \frac{1}{2}\times 6\times 8+2\times 6+2\times 8+2\times 10=96\,c{{m}^{2}}\]          


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