if the area of a square is 9, then the perimeter of a square is
the answer is 2.25
Area of a square = side^2 .....so...
9 = s^2 take the square root of both sides
3 = s
Perimeter of a square = 4s
So the perimeter is....
4(3) = 12
if y=3x and 4x - 2y =5 , then x= ?