Question

A square has an area of 81cm squared. What is the length of one side of a square?
My teacher said that it is 9m. Is that true? (I know this is really easy, just checking)

Answer 1

Answer:

yes

Step-by-step explanation:

area of square = s^2

81 cm^2 = s^2

√81 = s

√9*9 = s

9 cm = s