Respuesta :

m ADE = 42 

m  < ABC = 180 - 42 = 138

The other angle in the quadrilateral BCD_  = 360 - 2*138 - 32 = 52 degrees

so 52 = x + 42   (external angle = sum of 2 opposite angles)

x = 52 - 42 = 10 degrees Answer