Answer:
They both use the first-person point of view.
Step-by-step explanation:
Autobiographies and memoirs share a lot of simmilarities. Both of these texts use the first-person point of view. This is because both texts are written by a person who wants to talk about his own life and experiences. Moreover, both types of texts relate the events of a person's life from a subjective point of view. Therefore, they are heavily personal, with a strong element of detail and emotion.