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    Question

    If the length of the diagonal of a square is 9.2 cm,

    then the area of the square is:
    A 52.02 cm² Correct Answer Incorrect Answer
    B 23.12 cm² Correct Answer Incorrect Answer
    C 10.58 cm² Correct Answer Incorrect Answer
    D 42.32 cm² Correct Answer Incorrect Answer

    Solution

    Using the formula, Side of square = Diagonal/√ 2 Therefore, Area of square = (Side)2 = (Diagonal)2/2 ⇒ (9.2)2/2 ⇒ 84.64/2 ⇒ 42.32 cm²

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