Question

find the side and perimeter of the square whose area is:400cm square​

Answer 1

Answer:

Given, area of the square = 400 cm²

=> s² = 400

hence side of the square= ✓400= 20cm

Hence perimeter of the square is 4s = 4(20)= 80 cm

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Answer 2

Answer:

Side=20 cm and perimeter =80 cm