Arc of a Circle
The part of a circle or a specific segment of the circumference of the circle is known as the arc of the circle. When you try and connect the two ends of the arc, a line is formed. This line is known as the chord of the circle. If the arc’s length is exactly equal to the half of the circle, then it is called a semicircular arc.
You name the arc depending on the variables at its endpoints. In the above figure, you can notice the arc. It is named as PQ. It can be called as PQ or as arc PQ. You can also represent it with the help of a curved line and can be denoted asPQ^