Question

the perimeter of a square is numerically equal to its area find its area

Answer 1

a×a=4a
a=4
area=16
am I right?

Answer 2

Perimeter of square = 4a cm
Area of square = a² cm²
According to the sum
4a = a²
⇒ a = 4
Therefore area of square = 4*4 = 16  cm²