Question

which angle number represents an angle adjacent to $\angle rxu$?
answer attempt 2 out of 2
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Explanation:

Step1: Define adjacent angles

Adjacent angles share a common vertex and side, and have no overlapping interior.

Step2: Identify ∠RXU's components

∠RXU has vertex X, sides XR and XU.

Step3: Locate matching adjacent angle

Angle 3 (∠TX R) shares vertex X and side XR with ∠RXU, and their interiors do not overlap.

Answer:

3