Answer:
x = 30
Step-by-step explanation:
The figure will be a parallelogram when adjacent angles are supplementary:
(3x)° + (x+60)° = 180°
4x +60 = 180
4x = 120
x = 30
The value x = 30 makes the figure a parallelogram.
_____
It also makes the figure a rectangle.
Answer:
c= -12
Step-by-step explanation:
36 divided by -3 is -12
