or approximately 4 70° “ “ 1.222 or approximately 5 80° “ “ 1.396 or approximately 6 90° “ “ 1.571 or approximately 7 100° “ “ 1.745 or approximately 8 120° “ “ 2.094 or approximately 9 150° “ “ 2.618 or approximately 2π 10 360° “ “ 6.283 Cooperative Learning Cards A B What is the length of the minor arc of a central angle that measures radians in a circle with a Find the length of the radius of a circle if a central radius of 5 inches? angle that measures 1.3 radians subtends a minor arc that measures 3.9 cm.
4 70° “ “ or approximately 1.222 5 80° “ “ or approximately 1.396 6 90° “ “ or approximately 1.571 7 100° “ “ or approximately 1.745 8 120° “ “ or approximately 2.094 9 150° “ “ or approximately 2.618 10 360° “ “ 2π or approximately 6.283 Cooperative Learning Cards A What is the length of the minor arc of a central angle that measures radians in a circle with a radius of 5 inches? B Find the length of the radius of a circle if a central angle that measures 1.3 radians subtends a minor arc that measures 3.9 cm.
G_U5_LP_Radians_and_Arc_Length.docx