l Circle circumference = 4
of a circle is
I want to calculate
Area
Circumference
Radius
Diameter
All
  

A circle has circumference = 4

Calculate Area, Circumference, Radius, Diameter

Calculate radius (r):

C = 2πr

Rearranging the equation, we get:

r  =  C
  

r  =  4
  2 * 3.1415926535898

r  =  4
  6.2831853071796

r = 0.63661977236758

Calculate diameter (d):

d = 2r

d = 2 * 0.63661977236758

d = 1.2732395447352

Calculate Area (A):

A = πr2

A = π * 0.636619772367582

A = 0.4053π or 1.2733

Final Answers


r = 0.63661977236758
d = 1.2732395447352
A = 0.4053π or 1.2733