Parallelogram ABCD is a rectangle. What are the slopes of the sides that make this quadrilateral a rectangle?

-2 and 1/2

-1/2 and 2

-1/3 and 3

-3 and 1/3

Parallelogram ABCD is a rectangle What are the slopes of the sides that make this quadrilateral a rectangle 2 and 12 12 and 2 13 and 3 3 and 13 class=