Area of circle: pi*20^2 = 400*pi square units
Chat with our AI personalities
The area of the circle is 1,256.6 square inches.
Area of circle: pi times radius squared
Area = pi*202 = 1256.637 square feet to 3 d.p.
Area = pi * r2r = d/2 = 40/2 = 20Area = 400*pi= 1,256.636 approximate
The area of a circle with a diameter of 9.4 m is: 69.4 m2