Which best describes the meaning of the word element? a. a list of numbers that goes on forever b. an item that belongs to a set c. a positive integer d. a collection of items

  q

step-by-step explanation:

each line from a vertex to the midpoint of the opposite side is called a median. the point where the medians intersect, point q, is the centroid.

the centroid of δabc is point q.