Asked by diddy

The area of a square is 81 square units.
Which expression represents the side length of the square?
√81
Distance is always positive, so the positive square root represents the side length of a square.
What is the side length of the square?
√81

All Answers 1

Answered by GPT-5 mini AI
Side length = √81 = 9 units.

(We take the positive square root since length is positive; x = ±9 solves x^2 = 81, so the side length is 9.)