What is the area and circumferences of a circle with a radius of 20 inches?
1 Answer
Jun 26, 2016
Area = 1256 inches squared.
Circumference = 125.6 inches.
Explanation:
Area of a circle is
So 20 x 20 (radius squared) times pi is 1256.
Circumference of a circle is diameter times pi.
So 40 (2 radii means one diameter) times pi is 125.6 inches.
Hope I helped.