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Geometry and Trigonometry / Area and volume Difficulty: Medium

The length of each side of a square is $94$ centimeters (cm). Which expression gives the area, in ${cm}^{2}$ , of the square?

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Explanation

Choice D is correct. The area of a square is given by $s^{2}$ , where $s$ is the length of each side of the square. It's given that the length of each side of a square is $94 cm$ . It follows that the area, in $cm Superscript 2$ , of the square is $left parenthesis 94 right parenthesis squared$ , or $94 dot 94$ . Therefore, the expression that gives the area, in $cm Superscript 2$ , of the square is $94 dot 94$ .

Choice A is incorrect and may result from conceptual errors.

Choice B is incorrect and may result from conceptual errors.

Choice C is incorrect. This expression gives the perimeter, in $cm$ , of the square.