Which angles are complementary
to each other? Select all that
apply

Answer:
∠2 and ∠1
Step-by-step explanation:
Complementary angles
Therefore, the complementary angles in this diagram are ∠2 and ∠1
Extra information
From inspection of the diagram:
∠1 + ∠2 = 90°
∠3 = 90°
∠4 = 90°
∠5 = 90°