An arc is a smooth piece of a circle. A major arc of a circle is an arc that is longer than half the circumference of the circle. Find the measure of the major arc ABC. Part I: The mŁABC is equal to one half of the mac. (Circle one) (1 point)

Part II: Using the relationship you established in Part I, find the mac. Show your work and explain
your answer. (2 points)

Part III: Using your answer from Part II, find the mABC. Show your work. (2 points)