Circumference = pi x the diameter / pi x twice the radius / pi x square root of "area divided by pi".
C = (pi) D
C = 2 (pi) r
C = 2 (pi) * [sq rt (A/pi)]
r = radius
D = diameter
pi = 22/7 or 3.14
Pi (3.14) times the radius of a circle squared, equals the circumference of a circle.
2*pi*radius = perimeter or circumference of a circle radius = circumference/2*pi
The formula for the circumference of a circle is pi * diameter or (2 radius.)
PI times the DIAMETER
Pi is the number you get after finding the ratio of a circle's radius to its circumference. It's used in formulas to find the circumference and area of circles. The number goes on infinitely, but most people abbreviate the decimal to 3.14.
Circumference of a circle is (pi * diameter). Area of a circle is (pi * r2).
Pi (3.14) times the radius of a circle squared, equals the circumference of a circle.
There is no circumference of a cone, but, we only do the circumference of the circle. the formula for the circle is pi times D. D= Diameter
They both use pi:- circumference = 2*pi*radius or diameter*pi area = pi*radius2
The formula for finding the circumference of a circle is:-circumference of a circle = pi * the diameter of circlewhere The value of pi is approximately 3.14thus the circumference = 3.14*1.5 = 4.71 meters
When you are using mathematical formulas, it is good to know the difference. For example finding the circumference or area of a circle.
The circumference of a circle divided by its diameter is the value of pi and pi has a wide range of uses some of which are:- Finding the volume of a sphere Finding the surface area of a sphere Finding the volume of a cone Finding the volume of a cylinder Finding the area of a circle Finding the circumference of a circle
2*pi*radius = perimeter or circumference of a circle radius = circumference/2*pi
The value of Pi
Finding are or circumference of a circle or cylinder.
C=Pi*D
Circumference of a circle = (pi) x (diameter)