## Geometry: Common Core (15th Edition)

a. This is the reverse of the distributive property. b. Division property c. $\overline{AB} \parallel \overline{DC}$, $\overline{AD} \parallel \overline{BC}$ d. Same-side interior angles are supplementary. e. Definition of a parallelogram
a. This is the reverse of the distributive property. b. Division property c. $\overline{AB} \parallel \overline{DC}$, $\overline{AD} \parallel \overline{BC}$ d. Same-side interior angles are supplementary. e. Definition of a parallelogram: if both pairs of opposite sides are parallel, then that quadrilateral is a parallelogram.