Question

25,773 Learners found this answer helpful

without using a protractor, can you tell which angle is congruent to ∠1? ∠4 vertical angles are always congruent. name another pair of vertical angles in the figure. ? are vertical angles.

Explanation:

Step1: Recall vertical - angle definition

Vertical angles are formed when two lines intersect. They are opposite each other.

Step2: Identify vertical - angle pairs in the figure

In the given figure, $\angle1$ and $\angle4$ are vertical angles. Also, $\angle2$ and $\angle3$ are vertical angles, $\angle5$ and $\angle8$ are vertical angles, and $\angle6$ and $\angle7$ are vertical angles.

Answer:

$\angle2$ and $\angle3$ (or $\angle5$ and $\angle8$, or $\angle6$ and $\angle7$)