Posted by **Ted** on Saturday, October 16, 2010 at 6:26pm.

points P(4,12), Q(9,14), and R(13,4)are the three vertices of a rectangle.

a. find the coordinates of the fourth vertex, S.

b. write a short description of how you found the coordinates of S.

c. find the lengths of the diagonals of rectangle PQRS. COMMENT on your results.

pls help me