Given 2 points between A(x1, y1) and B(x2, y2), the midpoint between the 2 points is also an order pair and can be obtained as follows;
Midpoint(AB) = (x1+x22, y1+y22)
Ex: find the midpoint between (-1, 2) and (2, 0)
Solution: (-1+22, 0+22) = (1/2, 1)
Mid(1/2, 1)