Question

what is the relationship between ∠a and ∠b? choose 1 answer: a vertical angles b complementary angles c supplementary angles d none of the above

Explanation:

Step1: Recall angle - relationship definitions

Vertical angles are formed when two lines intersect, and they are opposite each other. Complementary angles add up to 90 degrees, and supplementary angles add up to 180 degrees.

Step2: Identify the relationship of ∠a and ∠b

∠a and ∠b are opposite each other when two lines intersect. They are vertical angles.

Answer:

A. Vertical angles