Answer:
If a pair of opposite sides of a quadrilateral are parallel and equal, then it is a parallelogram.
Step-by-step explanation:
By definition, a parallelogram is a quadrilateral with two pairs of parallel sides. These parallel sides are of equal length and the opposite angles of a parallelogram are of equal measure.
? What do you mean is that a choice answer
The product what you get when two numbers are multiplied together, therefore the product of 18 and q or 18 x q would equal 18q.
