Question

which angles are adjacent to each other? ∠11 and ∠2 ∠9 and ∠7 ∠4 and ∠12 ∠6 and ∠7

Explanation:

Step1: Recall adjacent - angle definition

Adjacent angles share a common vertex and a common side.

Step2: Analyze each option

• For ∠11 and ∠2: They do not share a common vertex or side.
• For ∠9 and ∠7: They do not share a common vertex or side.
• For ∠4 and ∠12: They do not share a common vertex or side.
• For ∠6 and ∠7: They share a common vertex and a common side.

Answer:

∠6 and ∠7