Answer
1. Quadrilateral ABCD w/ midpoints E, F, G, H of the sides
3. CPCTC
4. $\overline{EF} \parallel \overline{HG}$
Work Step by Step
1. Statement is given
3. In $\triangle ABC, \overline{EF} \parallel \overline{AC}$ and in $\triangle ADC, \overline{HG} \parallel \overline{AC}$ - Corresponding Parts of Congruent Triangles are Congruent
4. Prove Statement is given