A rectangle has a perimeter of 80 inches. Write an equation to represent the area A in terms of width w.

Do I use the perimeter?

Step-by-step explanation:

We are given the following in the question:

Perimeter of rectangle = 80 inches.

Let l be the length and w be the width of rectangle.

Perimeter of rectangle =

Putting values, we get,

Now, we have to find the area of the rectangle in terms of w.

Area of rectangle =

Putting values, we get

is the required expression of area of rectangle in terms of w.

Yes, the perimeter is used to calculate the length of the rectangle in the term of w.

l.ln.lln.k.nkl

step-by-step explanation:

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