Answer
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
Work Step by Step
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.
