Question

what is an angle that is supplementary to ∠5?

Explanation:

Step1: Recall supplementary - angle definition

Two angles are supplementary if their sum is 180 degrees. Adjacent angles formed by two intersecting lines are supplementary.

Step2: Identify adjacent angle to ∠5

From the figure, ∠5 and ∠6 are adjacent angles formed by the intersection of two lines. Also, ∠5 and ∠8 are adjacent angles formed by the intersection of two lines.

Answer:

∠6 or ∠8