Advanced MathEasySquare whose perimeter equals its area
Advanced Math practice question
A square with side length s has perimeter 4s and area s². For what positive value of s are the perimeter and the area numerically equal?
Answer: 4
4s = s² gives s = 4 (dividing by the positive s).
Common wrong answers
- If you answered 1
- 1 gives perimeter 4 and area 1.
- If you answered 2
- 2 gives perimeter 8 and area 4.
- If you answered 16
- 16 is the common value of perimeter and area, not the side.
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