Question

please jaldi reply karo

Answer 1

angle DAB+angleABC = 180°
85°+angle DBA+angle/DBC=180°
85+angle DBA+55=180°
angleDBA= 180°-85°-55°
angleDBA=40°

Answer 2

❤❤Here is your answer ✌ ✌

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according to rule of parallelogram

angle A=Angle C

85°=Angle C

angle CBD=55°[given]

now In triangle CBD

Angle C+angle CBD+angle CDB=180°(triangle sum)

85°+55°+angle CDB=180°

angle CDB+140=180°

angle CDB=180°-140°

angle CDB=40°