Activity 4: Vocabulary Check Directions: Read and answer the questions. 1. The of a triangle is a segment that connects the midpoints of two sides of the triangle 2. The midline of a triangle is equal to of that side. to a side of the triangle and has a measure 3. In triangle ABC, if M is the midpoint of AB, N is the midpoint of AC, and P is the midpoint of BC, then MN, NP, and PN are of A ABC