Answer:
-2
Step-by-step explanation:
Answer: x = 5 /2 , 4 , -2
96°
An angle formed by a chord and a tangent that intersect on a circle is half the measure of the intercepted arc.
x = 168/2 = 84°
A straight angle is 180 degrees
y = 180 - x = 180 - 84 = 96°