Question

which angles are vertical to each other?
∠1 and ∠4 ∠5 and ∠2 ∠7 and ∠5 ∠3 and ∠6

Explanation:

Step1: Recall vertical angles definition

Vertical angles are opposite angles formed by two intersecting lines.

Step2: Analyze each option

• For $\angle1$ and $\angle4$: They are adjacent, not vertical.
• For $\angle5$ and $\angle2$: Not formed by the same two intersecting lines.
• For $\angle7$ and $\angle5$: Adjacent, not vertical.
• For $\angle3$ and $\angle6$: They are opposite angles formed by two intersecting lines.

Answer:

$\angle3$ and $\angle6$