Answer:
x=6
angleC=70 degrees
Step-by-step explanation:
We can utilize the properties of a parallelogram to solve the problem.
First, we know that the two opposite parallel sides of a parallelogram are equal. This gives us the equation
2x+7=19
Solving, we get
2x=12
x=6
We also know that adjacent angles of a parallelogram always add up to 180 degrees. Thus, we get
110+angleC=180
Solving, we get
angleC=180-110
angleC=70 degrees
