1.
Change -120° to radian measure in terms of
.
A.
B.
-
C.
D.
-
Hint
2.
Evaluate tan
.
A.
B.
-
C.
D.
-
Hint
3.
Find the area of a sector if the central angle measures
radians and the radius of the circle is 22 centimeters. Round to the nearest tenth.
A.
253.4 cm
2
B.
506.8 cm
2
C.
231.1 cm
2
D.
1013.7 cm
2
Hint
4.
The diameter of a circle is 18 inches. If a central angle measures 64°, find the length of the intercepted arc.
A.
about 18.2 in.
B.
about 10.1 in.
C.
about 14.6 in.
D.
about 20.1 in.
Hint
5.
A sector has an area of 14.5 square meters. The radius of the circle is 4 meters. Find the radian measure of the central angle to the nearest tenth.
A.
1.8 radians
B.
3.6 radians
C.
7.3 radians
D.
14.6 radians
Hint