What is the measure of a major arc in terms of a minor arc

The video tutorial explains the concept of arcs in a circle, focusing on the differences between minor and major arcs. It describes how to label major arcs using three points on the circle and provides a method to calculate the length of a major arc by subtracting the minor arc's value from 360 degrees.

Why is it important to use three points when describing a major arc?

What steps should you follow to find the major arc given the minor arc?