Opposite angles of parallelogram are equal.
sum of interior angles of parallelogram is 360 degrees.
Therefore,
A + B + C + D = 360
x + 145 + x + 145 = 360
x = 35
Therefore angle C is 35 degrees
3 x3 = 9 4 x 3 =12 6 x 2 = 18 3 x
Step-by-step explanation:



