Area = radius2 x 3.1415
Circumference = diameter x 3.1415
Chat with our AI personalities
Circumference of a circle = 2*pi*radius or diameter*pi
Area of a circle - pi*radius2
You use the information you're given, along with the facts and formulas you know about the geometry of a circle.
Geometry is study because book. Number good? Shape. I like Circle. That how geometry is study.
Circumference of a circle given radius Area of a circle given radius Volume of a sphere given radius Surface area of a sphere given radius Converting degrees to radians or vice versa
An arc is just part of the circumference of a circle.
In geometry it is called the "Great Circle".