A = 1809.6 ft2
Chat with our AI personalities
Take half the diameter - that's the radius. Then use the formula for the area of a circle: area = pi x radius2.
The area of a circle of radius 21 is 1386
The area of a circle with a radius of 14.4 is 651.4
Area of a circle = pi*radius squared
A circle with a radius of 135 units has an area of 57,255.53 square units.