Question

Find the side of a square whose area is 81 sq. cm (with solution) ​

Answer 1

Answer:

area of Square = a²

${a}^{2} = 81 \\ a = \sqrt{81} \\ a = 9cm$

Hope it helps you friend.

Answer 2

Answer:

area of square=(side)square

81=side square

therefore side=9. .........(taking sqare root on both side)