in attachments

Hello, dgenerationx2!
You couldn't type the question for us?
Did you make a sketch?Quadrilateralhas vertices with coordinates:
. .
Determine the coordinates offor which
is a square.
Code:| (1,4) | o C | * * * * * | * B * | * D - - o - - | - - - - - - o - - (-3,0)* | * * | * * * | * * | o A | (1,-4)
You can "eyeball" whereis . . . can't you?