Question

what is the m∠3? m∠3 = 71° m∠3 = 61° m∠3 = 51° m∠3 = 119°

Explanation:

Step1: Identify vertical - angle relationship

$\angle3$ and the $119^{\circ}$ angle are vertical angles.

Step2: Recall vertical - angle property

Vertical angles are congruent. So $m\angle3=119^{\circ}$.

Answer:

D. $m\angle3 = 119^{\circ}$