Area of Circle Formulas
The surface area of a circle is given by the following formula:
A = πr2
where r is the radius of the given circle.
or
A = C2/4π
where C is the circumference of the given circle.
Surface Area of Circle Formula
A circle is made up of points that are all at the same distance from the circle’s centre. A closed geometric form is a circle. In everyday life, we see circles in the form of a wheel, pizzas, a round ground, and so on.