A major arc is the longer arc connecting two endpoints on a circle. The measure of a major arc is greater than 180° , and equal to 360° minus the measure of the minor arc with the same endpoints. An arc measuring exactly 180° is called a semicircle .

What is meant by major arc?

A major arc (right figure) is an arc of a circle having measure greater than or equal to ( radians).

What is an example of a major arc?

The major arc of a circle is an arc that subtends an angle of more than 180 degrees to the circle's center. The major arc is greater than the semi-circle and is represented by three points on a circle. For example, PQR is the major arc of the circle shown below.