Question #341dd
1 Answer
Sep 29, 2016
A square of side 4cm
Explanation:
The rectangle in question will have perimeter
The perimeter of a rectangle is
Combining equations, it is clear
It is also useful to note, then that
We know the area of the rectangle is
Substituting in our equation above, we can say:
Now we differentiate area with respect to the width and set the equation equal to
Solving, we see
Since
Thus, our solution is a square with