Respuesta :
C is the correct answer
Because DC||AB then 3x+6+42=180
3x=132
X=44
Because DC||AB then 3x+6+42=180
3x=132
X=44
Answer:
C. 44
Step-by-step explanation:
If ABCD is a parallelogram then its consecutive angles are supplementary (add up to 180°).
<A + <D = 180°
42 + 3x + 6 = 180
3x + 48 = 180
3x = 132
x = 44
Answer
C. 44