The side length of a square is 55   centimeters   cm . What is the area, in   cm

Question

The side length of a square is 55 &#160; centimeters &#160; cm . What is the area, in &#160; cm 2 , of the square?

Accepted Answer

Choice C is correct. The area A , in &#160; square &#160; centimeters &#160; ( cm 2 ) , of a square with side length s , in &#160; cm , is given by the formula A = s 2 . It&rsquo;s given that the square has a side length of 55 &#160; cm . Substituting 55 for s in the formula A = s 2 yields A = 55 2 , or A = 3,025 . Therefore, the area, in &#160; 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 &#160; cm , of the square, not its area, in &#160; cm 2 . Choice D is incorrect and may result from conceptual or calculation errors.

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