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The side length of a square is 3 cm. Find its perimeter.

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15 cm

12 cm

18 cm

9 cm

answer is B.

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Detailed Solution

Given: Side length of the square, a = 3 cm

Perimeter of square = 4a = 4 × 3 = 12 cm

Hence, the perimeter of the square is 12 cm.

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