The Arc of a Circle an online tool which shows Arc of a Circle for the given input. Byju's Arc of a Circle is a tool which makes calculations very simple and interesting. If an input is given then it can easily show the result for the given number. Byju’s arc of a circle calculator is an amazing online tool which assists in determining the length of an arc of circle if the radius and the angle subtended by the arc at the center are given. The working of this calculator can be explained as follows: A set of all points in a plane which are equally spaced from a fixed point is known as a circle. The perimeter of the circle is known as its circumference. A chord of circle is the line segment joining any two points on the circumference of the circle. An arc of a circle is a part of the circumference. Arc is a continuous piece of the circle. In the figure given below , the region of circumference PAQ and PBQ represent two arcs of the circle.