Answer:
(4.5, 4.5)
Step-by-step explanation:
The midpoint coordinates of a line segment are the average of the end point coordinates.
Application
The midpoint is ...
M = ((4, 5) +(5, 4))/2 = (9, 9)/2
M = (4.5, 4.5) . . . . the coordinates of the midpoint.
