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    Question

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

    surface area and volume. 
    A 16√3, 1,175 m²,2,644 m³ Correct Answer Incorrect Answer
    B 18√3, 1,172 m² 1744 m³ Correct Answer Incorrect Answer
    C 13√3, 1,014 m², 2197 m³ Correct Answer Incorrect Answer
    D 10√3, 1,177 m², 2,744 m³ 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= 1014 m² Volume of a cube= a³= 13³ = 2197 m3

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