The question asks which angles are complementary to each other. Complementary angles are two angles whose sum is 90 degrees.

From the image, we can observe that:

• ∠2 and ∠6 are complementary. This is because they form a right angle together.

So, the correct answer is:

∠2 and ∠6.

Would you like more details or have any other questions? Here are 5 related questions you might be interested in:

1. What are supplementary angles?
2. How can you identify vertical angles in a diagram?
3. What are adjacent angles and how do they differ from complementary angles?
4. How do you determine if two angles are congruent?
5. Can two obtuse angles be complementary?

Tip: When identifying complementary angles, always check if the two angles add up to 90 degrees, regardless of their individual measures.