Question

which angle is supplementary to ∠6?

Explanation:

Step1: Recall supplementary - angle definition

Two angles are supplementary if their sum is 180 degrees. In the given figure, angles that form a linear - pair are supplementary.

Step2: Identify linear - pair with ∠6

∠6 and ∠5 form a linear - pair. So, ∠5+∠6 = 180 degrees.

Answer:

∠5