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A square has an area of 25 cm^2. show that the perimeter of the square is 20cm

User Robby
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Hello !

square's area = c * c = c²

c² = 25

c = √25 = 5cm

square's perimeter = c + c + c + c = 4c

4c = 4 * 5cm = 20cm

User LondonRob
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