Solve the problem.
-The area of a square is numerically 4 less than the perimeter. Find the length of the side, if the side is greater than 1.
A) 2 units
B) 9 units
C) 5 units
D) 8 units

Question

Quizplus · Accepted Answer

The area of a square is given by $s^2$ and the perimeter by $4s$, where $s$ is the side length. The problem states that the area is 4 less than the perimeter, so $s^2 = 4s - 4$. Rearranging gives $s^2 - 4s + 4 = 0$, which simplifies to $(s-2)^2 = 0$. Thus, $s = 2$ units.

Solve the Problem. -The Area of a Square Is Numerically 4 Less Than