The coordinates of a quadrilateral are shown: point J (-4.5, 3)
point K (-1.2, 3)
point L (-1.2, 8.7)
point M (-4.5, 8.7)
Brenda claims that quadrilateral JKLM is a square.

Part A

Show or explain why Brenda is not correct.

Part B

Select new coordinates for point L and point M so that quadrilateral JKLM is a square. Show or explain all of the steps you used to determine the new locations of the two points.