Two intersecting lines create four angles with the same vertex, labeled A , B , C , and D . Angle B is adjacent to ∠A and ∠C . Find m∠A if m∠C=75° .(1 point)
Responses
75°
75 degrees
180°
180 degrees
15°
15 degrees
105
3 answers
°
since B is adjacent to A and C, A and C are vertical angles.
So, m∠A = m∠C = 75°
So, m∠A = m∠C = 75°
That's correct! Since angle A and angle C are vertical angles, they have the same measure. Therefore, m∠A = m∠C = 75°.
5 answers