1.
Change -120° to radian measure in terms of
.
A.
B.
C.
-
D.
-
Hint
2.
Given a central angle of 105°, find the length of its intercepted arc in a circle of radius 6 centimeters. Round to the nearest tenth.
A.
5.2 cm
B.
22.0 cm
C.
10.4 cm
D.
11.0 cm
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.
231.1 cm
2
B.
253.4 cm
2
C.
506.8 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 20.1 in.
B.
about 18.2 in.
C.
about 14.6 in.
D.
about 10.1 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.
14.6 radians
B.
1.8 radians
C.
7.3 radians
D.
3.6 radians
Hint