Answer:
Just be yourself. Also, in most cases, it's helpful to just let the boy come to you. If he comes to you and says he likes you, you should also express your own feelings. ALWAYS be yourself. If you aren't yourself, the relationship will not work out. The boy should like you for who you are, not who you're trying or pretending to be.
2. Definition of supplementary angles
I’m not too good with proofs but hopefully at least one answer helped lol sorry
B . side is a 8.5 inches long and side is 7 inches long