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Bunuel
Which of the following expresses the area of a square region in terms of its perimeter, p ?


A. \(\frac{p}{4}\)

B. \(\frac{p^2}{4}\)

C. \(\frac{p}{16}\)

D. \(\frac{p^2}{16}\)

E. \((\frac{4p}{p})^2\)


Area of a square region = \((one of the legs of square )^2\)

Here the perimeter id given. Thus we need to divide the perimeter by 4.

Area of the square =\((p/4)^2\) = \(p^2\) / 16

Thus the best answer is D.
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Bunuel
Which of the following expresses the area of a square region in terms of its perimeter, p ?


A. \(\frac{p}{4}\)

B. \(\frac{p^2}{4}\)

C. \(\frac{p}{16}\)

D. \(\frac{p^2}{16}\)

E. \((\frac{4p}{p})^2\)

Area \((A)\) of a square in terms of Perimeter \((p)\) will always be \((\frac{p}{4})^2\) = \(\frac{p^2}{16}\) , Answer must be (D)
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Bunuel
Which of the following expresses the area of a square region in terms of its perimeter, p ?


A. \(\frac{p}{4}\)

B. \(\frac{p^2}{4}\)

C. \(\frac{p}{16}\)

D. \(\frac{p^2}{16}\)

E. \((\frac{4p}{p})^2\)

We can create the equations:

p = 4s (where s = side)

p/4 = s

and

A = s^2

Substituting, we have:

A = (p/4)^2 = p^2/16

Alternate Solution:

The perimeter of the square is p, so one side of the square is p/4. We know that the area of a square is (side)^2 = (p/4)^2 = p^2/16.

Answer: D
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