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Question
The area of a square is 169 cm2. Find its:
(i) one side
(ii) perimeter
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Solution
Let each side of the square be x cm.
Its area = x2 = 169 (given)
x = `sqrt(169)`
x = 13 cm
(i) Thus, side of the square = 13 cm
(ii) Again perimeter = 4 (side) = 4 x 13 = 52 cm
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