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Geometry and Trigonometry / Area and volume Difficulty: Easy

The side length of a square is $55 centimeters left parenthesis cm right parenthesis$ . What is the area, $in {cm}^{2}$ , of the square?

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Explanation

Choice C is correct. The area $A$ , $in square centimeters ({cm}^{2})$ , of a square with side length $s$ , $in cm$ , is given by the formula $A = s^{2}$ . It’s given that the square has a side length of $55 cm$ . Substituting $55$ for $s$ in the formula $A = s^{2}$ yields $upper A equals 55 squared$ , or $upper A equals 3,025$ . Therefore, the area, $in {cm}^{2}$ , of the square is $3,025$ .

Choice A is incorrect and may result from conceptual or calculation errors.

Choice B is incorrect. This is the perimeter, $in cm$ , of the square, not its area, $in {cm}^{2}$ .

Choice D is incorrect and may result from conceptual or calculation errors.