Question

please answer it . it is urgent
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Answer 1

Step-by-step explanation:

as AB = AC

angle C = angle B

angle B = 40°

BD is bisector

so angle DBC = angle DBA = 20°

angle A = 180° -( angle b + angle c)

angle A = 100°

in triangle DBC

angle CDB = 180 - (angleC + angle DBC)

angle CDB = 120°

angle CDB + angle BDA = 180° ( linear pair)

angle BDA = 60°

triangle EAB

angle E = 90 angle BDA = 60

angle EAD = 180° - ( angle E + angle BDA)

angle EAD = 30°