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

  • question_answer
    Three cubes each of side 6 cm are joined end-to-end as shown in the figure. Then what is the surface area of the resulting cuboid?

    A)  252 \[c{{m}^{2}}\]                

    B)  504 \[c{{m}^{2}}\]      

    C)  540 \[c{{m}^{2}}\]                

    D)  450 \[c{{m}^{2}}\]

    Correct Answer: B

    Solution :

    (b): Surface Area \[=2\text{ }\left[ 6\times 18+18\times 6+6\times 6 \right]=504c{{m}^{2}}\] 


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