1.(statement) ABCD and EFGD are parallelograms and D is midpoint of CG and AE.
2.(reason) D is midpoint of CG and AE, which means the two segments are =.
3.(reason) ABCD and EFGD are parallelograms and opposite sides of parallelograms are =.
4.(reason) GD = DC, DC = AB, BC = DA, DA = DE.
5.(statement) m6.(reason) ABCD and EFGD are parallelograms and opposite angles of parallelograms are =.
7.(statement) congruent angles have equal measure.
8.(reason) consecutive interior angles of parallel lines.
9. (reason) m10. (statement) ABCD and EFGD are congruent.