Diameter is the distance across a circle. The circumference of a circle is the distance around the outside of the circle.
Chat with our AI personalities
In any circle, the ratio of circumference to diameter is (pi).
mutiply by pi 3.14159265.............................................
Circumference = 2*pi*radius or diameter*pi
This is PI, pi = 3.14159265...... A circle is the round thing, like your pies! The area of a circle is measured using (Pi)(radius to the power of 2). Circumfrance of a circle is (Pi)(Diameter of circle).
3.9 x 3.14 m