4. Prove that if M is the midpoint of AB, B is the midpoint of MN, and N is the midpoint of BC, then B is the midpoint o
Posted: Sat Jul 09, 2022 1:56 pm
4. Prove that if M is the midpoint of AB, B is the midpoint of MN, and N is the midpoint of BC, then B is the midpoint of AC.