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 by two intersecting lines and are opposite each other. Complementary angles add up to 90 degrees. Supplementary angles add up to 180 degrees.

Step2: Analyze the given angles

In the figure, ∠a and ∠b are vertical angles as they are formed by two intersecting lines and are non - adjacent and opposite each other.

Answer:

A. Vertical angles