1.   Change -120° to radian measure in terms of .
    A. - B. -
    C. D.
    Hint

  2.   Change radians to degree measure.
    A. -145° B. -135°
    C. 135° D. 145°
    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. 506.8 cm2 B. 253.4 cm2
    C. 231.1 cm2 D. 1013.7 cm2
    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 14.6 in. B. about 10.1 in.
    C. about 18.2 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. 14.6 radians B. 7.3 radians
    C. 3.6 radians D. 1.8 radians
    Hint