Question

Three of the vertices of a rectangle have coordinates (-1, -1), (6, -1), and (-1, 2). What are the coordinates of thefourth vertex?

Answer 1

Answer:

(6,2)

Step-by-step explanation:

Diagonals have the same midpoint

(6-1)/2, (-1+2)/2 = (-1+x)/2, (-1+y)/2