in oh a major arc is
GAF IAR FR IR

In the Circle oH, a major Arc is: Option B: IAR
A major arc is defined as a long arc that connects two endpoints on a circle. The extent of a major arc is greater than 180° and is equal to 360° minus the extent of a minor arc with the same endpoints. An arc of exactly 180° is called a semicircle.
Finally, we must note that minor arcs are named with only two endpoints, whereas major arcs are named with three letters for two endpoints and the third point on the arc.
Therefore, looking at the circle diagram, we can conclude that the major arc is IAR
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