Question

which angles are congruent to each other? ∠6 and ∠3 ∠1 and ∠6 ∠6 and ∠8 ∠5 and ∠8

Explanation:

Step1: Recall vertical - angle property

Vertical angles are congruent. When two lines intersect, the pairs of opposite angles formed are vertical angles.

Step2: Identify vertical - angle pairs

In the given figure, ∠6 and ∠8 are vertical angles.

Answer:

∠6 and ∠8