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    Question

    A cube has edge 13 m. Find its length of diagonal,

    surface area and volume. 
    A 16√3, 1,175m^(2,),2,644 m^3 Correct Answer Incorrect Answer
    B 18√3, 1,172m^(2,) 1744 m^3 Correct Answer Incorrect Answer
    C 13√3, 1,014m^(2 ), 2197 m^3 Correct Answer Incorrect Answer
    D 10√3, 1,177m^2, 2,744m^3 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Length of diagonal= √(  3 ) a = √(  3 )× 13 = 13√3 Surface area= 6a² = 6 × 13 × 13= 1014m^(2,) Volume of a cube= a³= 13³ = 2197 m^3

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