## Elementary Geometry for College Students (7th Edition)

($\frac{a}{2}$,$\frac{b}{2}$)
Given Points(a,0) and (0,b) if x1=a,y1=0,x2=0,y2=b Mid point of these two points is($\frac{x1+x2}{2}$,$\frac{y1+y2}{2}$) ($\frac{a+0}{2}$,$\frac{0+b}{2}$) = ($\frac{a}{2}$,$\frac{b}{2}$)