Respuesta :

Answer:

B

Step-by-step explanation:

The sum of the interior angles of the quadrilateral = 360°

Subtract the sum of the 3 angles from 360 for ∠B, that is

∠B = 360° - (115 + 65 + 65)° = 360° - 245° = 115° → B

Answer:

115

Step-by-step explanation:

Q&A Education