The side length of the square is the square root of 49. Since 7 × 7 = 49, the side of the square is 7 cm. So, the answer is 7 cm because area = side × side.
Class 8 Mathematics Ganita Prakash Chapter 1 A Square and A Cube NCERT solutions
Class 8 Mathematics Chapter 1 A Square and A Cube question answer
To find the side of a square from its area, we take the square root of the area. Given the area is 49 sq. cm, we find √49 = 7. This is because 7 × 7 = 49. Therefore, the length of each side of the square is 7 cm. This method is used whenever we know the area and want to determine the side length of a square.
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