Chapter 4.4, Problem 10E

For Exercises 9 and 10, consider isosceles trapezoid RSTV with $\overline{RS}\left|\right|\overline{VT}$, and midpoints M, N, P, Q of the sides.

a) Does $QN=\frac{1}{2}\left(RS+VT\right)?$ b) Does $MP=\frac{1}{2}\left(RV+ST\right)?$

Exercises 9, 10