Use a calculator. What is the length of the side of a square when its area is

a) [[$ 81 $]] cm[[$ ^2 $]]?



Answer: The length of the side is cm.

b) [[$ 625 $]] cm[[$ ^2 $]]?



Answer: The length of the side is cm.

c) [[$ 2704 $]] cm[[$ ^2 $]]?



Answer: The length of the side is cm.