Question

which angle is complementary to ∠4? ∠2 ∠1 ∠5 ∠3

Explanation:

Step1: Recall complementary angles definition

Two angles are complementary if their sum is 90 degrees. In the given figure, assume that the right - angled corner is formed by ∠2 and ∠3.

Step2: Analyze angle relationships

Since ∠4 and ∠3 together form a right - angle (as they are adjacent angles at the intersection of lines and the angle formed by the lines is 90 degrees), ∠4+∠3 = 90°.

Answer:

∠3