The area of a square is 144 sq cm. Find the length of its diagonal
11\(\sqrt{3cm}\)
12cm
12\(\sqrt{2cm}\)
13cm
Correct answer is C
BD = \(\sqrt{x^2 + x^2}\) = \(\sqrt{12^2 + 12^2}\) = \(\sqrt{144 + 144}\) = 2(144) = 12\(\sqrt{2cm}\)
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