Answer:
117
Step-by-step explanation:
63
1) B/c the shape is a parallelogram, angles are adjacent. So there are 2 117 and 2 3n.
2) B/c it's a quadrilateral, the angles all add up to 360.
360= 117 + 3n + 3n + 117
360= 234 + 6n
126= 6n
n= 21
3(21)= 63
