Respuesta :

Answer:

25°

Step-by-step explanation:

Given,

<ADC = 85°, <BDE = 70°

Therefore, by the problem,

=> <ADC + <BDE + <BDA = 180° [linear pair]

=> 85° + 70° + <BDA = 180°

=> <BDA = 180 - 70 - 85

=> <BDA = 25° (Ans)