Respuesta :

Answer: DBE - 71 degrees, BEF = 161 degrees

Step-by-step explanation:

Angle ABD and Angle DBE are supplementary, which means they add up to 180 degrees.

Therefore, 3x + 4 + 2x + 1 = 180

5x + 5 = 180

5x = 175

x = 35 degrees

So, angle DBE = 2*35 + 1

= 71 degrees

Angle BEF is supplementary to Angle BED = x -16 = 19

19 + angle BEF = 180

Angle BEF = 161 degrees