Answer:
The point which could be the fourth vertex of the square is:
D (0,3)
Explanation:
Square--
A square is a polygon consisting of four sides such that all the four sides are of equal length.
The vertex of the square are as follows:
A(0, 0) , B (3, 0) , C (3, 3)
Now, the fourth vertex of the square is: D (0,3)
( Since this point will make a square with side length as 3 units ).