The semicircle shown has its center at point  If the measure of the central angle of the shaded sector is 160 degrees, what is the value of x in radians?
A. π20
B. π12
C. π9
D. π6
Answer:C
The semicircle shown has its center at point  If the measure of the central angle of the shaded sector is 160 degrees, what is the value of x in radians?
A. π20 B. π12 C. π9 D. π6
Explanation: C