Question

Please help. I dont undestand this

Answer 1

Ahello me again . I get 105°

since ∠A = 50° then ∠DAB = 25°

since ∠B = 100° then ∠ DBA = 50°

the sum of the angles in triangle ADB = 180°

thus ∠ADB = 180 - (25 + 50 ) 180 - 75 = 105°