Question

one way to get started is with a vertical - angle relationship. what is m∠afb? m∠afb = 28°. how are ∠afb and ∠bfc related? ∠afb and ∠bfc are vertical angles. ∠afb and ∠bfc combine to form a straight angle. ∠afb and ∠bfc combine to form a right angle.

Explanation:

Step1: Recall vertical - angle property

Vertical angles are congruent.

Step2: Identify vertical - angle pair

\(\angle AFB\) and \(\angle DFE\) are vertical angles. Given \(m\angle AFB = 28^{\circ}\), and since vertical angles have equal measures.

Answer:

\(m\angle AFB=28^{\circ}\) (as given in the problem, and vertical - angle relationships do not change the measure of \(\angle AFB\))