8th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    Two cubes, each of edge 12 cm are joined end to end. Find the surface area of the resulting cuboid.

    A)  \[\pi {{r}^{4}}\]                  

    B)  \[190.93c{{m}^{3}}\]

    C)  \[189.5c{{m}^{3}}\]                      

    D)  \[181.25c{{m}^{3}}\]

    Correct Answer: B

    Solution :

    Length of the resulting cuboid \[210c{{m}^{2}}\] Breadth and height remaining the same i.e., 12 cm. each. Surface area \[213c{{m}^{2}}\] \[224c{{m}^{2}}\]


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