Mathematics
If the area of a square is numerically equal to its perimeter, then the length of each side is
1 unit
2 units
3 units
4 units
Mensuration
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Answer
Let the side of the square = s.
Area of square = s2
Perimeter of square = 4s
Given, Area = Perimeter
⇒ s2 = 4s
⇒ s2 - 4s = 0
⇒ s(s - 4) = 0
⇒ s = 4 (since s ≠ 0)
Thus, the length of each side is 4 units.
Hence, option 4 is the correct option.
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