Abdul is making a map of his neighborhood. he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementary school, and his friend's house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friend's house, the high school, and his home. what theorem can abdul use to determine that certain angles are congruent?