Can someone please help me out

Three vertices of a square are shown on the grid.
y
9
8
7
6-
5
4
3
2
.
1
0
3
4
S
6
8 19
What are the coordinates of the missing vertex? Enter the answer in the boxes.

Can someone please help me out Three vertices of a square are shown on the grid y 9 8 7 6 5 4 3 2 1 0 3 4 S 6 8 19 What are the coordinates of the missing verte class=