1.
Change -120° to radian measure in terms of
.
A.
-
B.
-
C.
D.
Hint
2.
Change
radians to degree measure.
A.
-135°
B.
135°
C.
-145°
D.
145°
Hint
3.
Evaluate tan
.
A.
-
B.
C.
D.
-
Hint
4.
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.
11.0 cm
B.
5.2 cm
C.
10.4 cm
D.
22.0 cm
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