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    Question

    If the length of the diagonal of a square is 4.8 cm,

    then the area of the square is:
    A 20.48 cm² Correct Answer Incorrect Answer
    B 25.92 cm² Correct Answer Incorrect Answer
    C 11.52 cm² Correct Answer Incorrect Answer
    D 6.48 cm² Correct Answer Incorrect Answer

    Solution

    Using the formula, Side of square = Diagonal/√ 2 Therefore, Area of square = (Side)2 = (Diagonal)2/2 ⇒ (4.8)2/2 ⇒ 23.04/2 ⇒ 11.52 cm²

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