o 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)

Question

Responses

75°
75 degrees

105°
105 degrees

15°
15 degrees

180°

Answer 1

Since angle B is adjacent to angle A and angle C, and angle C is given as 75°, angle B must also be 75° because adjacent angles are congruent. Therefore, angle A must be the sum of angles B and C, which is 75° + 75° = 150°. So, m∠A is 150°.