Respuesta :

Adjacent (two angles share 180)
180-61 (180-one angle=other angle)
119
:) You are welcome

Angle DAC is exterior angle of the triangle. The measure of angle DAC is equal to angle ABC and angle ACB. The value of x is 119.

Here the process:
∡DAC = ∡ABC + ∡ACB
x = 48 + 71
x = 119