Select the best attribute for the angle pair formed by two parallel lines intersected
by a transversal.
Corresponding Angles

1. equal, (=)
2. not equal, (+)
3. sum to 90°
4. sum to 180°

Corresponding Angles sum to 180°

Step-by-step explanation:

If a pair of parallel lines is cut by transversal that is not perpendicular to the parallel lines as shwon in the figures (attached below), then;

Four angles are acute, and four are obtuse.

so the best attribute for the angle pair formed by two parallel lines intersected  by a transversal is that Corresponding Angles sum to 180°.

-6 is the correct option from the above given options