Question

25 find the measure of angle b. 65° b a 55° b 25° c 60° d 65°

Explanation:

Step1: Identify vertical - angle relationship

Vertical angles are equal. The angle marked as $65^{\circ}$ and angle $b$ are vertical angles.

Step2: Determine angle $b$'s measure

Since vertical angles are congruent, $b = 65^{\circ}$.

Answer:

D. $65^{\circ}$