sat suite question viewer
Geometry and Trigonometry
Difficulty: Easy
The area of a square is square inches. What is the side length, in inches, of this square?
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Explanation
Choice A is correct. It's given that the area of a square is square inches. The area , in square inches, of a square is given by the formula , where is the side length, in inches, of the square. Substituting for in this formula yields . Taking the positive square root of both sides of this equation yields . Thus, the side length, in inches, of this square is .
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect. This is the area, in square inches, of the square, not the side length, in inches, of the square.
Choice D is incorrect and may result from conceptual or calculation errors.