__11. What is the measure of the central angle that intercepts an arc equal to 110°?
a. 55°
b. 110°
C. 100°
d. 220°
12.The measure of an inscribed angle that intercepts a semi-circle.
a. 180°
b. 100°
C. 90°
d. 360°
13.The opposite angles of a quadrilateral inscribed to a circle are
a. right
b. obtuse
c. complementary
d. supplementary
14.If the inscribed angle measures 55°, what is the measure of its intercepted arc?
a. 55°
b. 85°
c. 110°
d. 150°​