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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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