One question what is the root word in triangularly cause i dont know(sorry if it's to easy i'm confused)

Elist of items that aditi is planning to include in her narrative essay. 1. i stayed after school once to work on a monologue with a teacher. 2. i learned about the audition for the spring musical at my school. 3. i realized that i need to practice more if i really want a role. 4. i went to the audition and barely remembered all my lines. what is the best order for these items? 1, 3, 2, 4 1, 2, 4, 3 2, 4, 3, 1 2, 1, 4, 3