1. The length of the minute hand of a particular grandfather clock is 12 cm. a. Calculate the magnitude of the angle in radians through which the minute hand moves between 9:10 am. and 9:30 am. b. Calculate the the length of the arc through which the tip ofthe minute hand moves during this time. Solve by using and showing algebraic methods. You are encouraged to use your calculator to verify your answer. (2 marks) Place your nal answer(s) here: : Show your work here: 2. Identify the angles coterminal with an angle of 650 that satisfy -360 s 0