In ΔABC it is given that . If ∠B = 70° and ∠C = 50° then ∠BAD = ?
It is given that in Δ ABC,
∠B = 70° and ∠C = 50°
∠A = 180° – (70° + 50°) (∠ sum property of triangle)
= 180° - 120°
= 60°
Since,
∴ AD is the bisector of ∠A
Hence, ∠BAD = 60°/2 = 30°