What is the area of a circle with radius r?
πr2 sq. units
2π r2sq. units
4πr2sq. units
6πr2sq. units
The area of a circle is defined as the space enclosed by the circumference of the circle. Area of circle = πr2
The area of a circle is 18 π sq. units. The area of a square of side having the same dimension as that of the radius of the circle is (sq. units)