Answer:
sum of an exterior angle is 360
2x+56+85+57+4x=360
6x+198=360
6x=360-198
6x=162
x=162/6
x=27
Answer:
51
Step-by-step explanation:
The two lines are tangent to the circle at points that are 180 degrees apart.
Answer:
Step-by-step explanation: 14
Simplify ——
x :
14
(2x - ——) - 7
x