Respuesta :

Answer:

BAD = 144

Step-by-step explanation:

The sum of the angles of a quadrilateral are 360 degrees

x+2x+3x+4x = 360

Combine like terms

10x = 360

Divide by 10

10x/10 = 360/10

x = 36

We want to find BAD

BAD = 4x

         =4*36

         =144