Answer:
(a/2, b/2)
Step-by-step explanation:
The mid point has an x-coordinate and a y-coordinate
x-coordinate is (a+0)/2 = a/2
y-coordinate is (0+b)/2 = b/2
The coordinates of the midpoint of the line segment with the endpoints (a,0) and (0,b) are (a/2, b/2)
