An arc is a piece or portion of a circle between two points. (as shown below):
Some more diagrams of arcs are as follows:
In a circle, an arc can be of following two types:
Major Arc
Minor Arc
As you can understand from their names that, Major Arc is a longer arc and Minor Arc is a shorter one
Observe the following figure:
For better understanding you can split the arcs and you could understand Why one is called Major Arc and another one as Minor Arc (as shown below):
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