what questions are you talking about?
Answer:
D. Each polygon has two pairs of congruent sides that are adjacent.
What is your question? all it says is the numbers??
This is the definition of mean.<span>The </span>mean<span> is the </span>average<span> of the numbers: a calculated "central" value of a set of numbers. To calculate: Just add up all the numbers, then divide by how many numbers there are.</span>
