## Elementary Geometry for College Students (6th Edition)

(a,0) and (0,b) Using theorem 10.1.2 Midpoint formula M = ($x_{m}, y_{m})$ = ($\frac{x1+x2}{2}$, $\frac{y1+y2}{2}$) M = ($\frac{a+0}{2}$, $\frac{0+b}{2}$) = (a/2,b/2)