l Circle area = 12
of a circle is
I want to calculate
Area
Circumference
Radius
Diameter
All
  

A circle has area = 12

Calculate Area, Circumference, Radius, Diameter

Calculate radius (r):

A = πr2

Rearranging the equation, we get:

r2  =  A
  π

r  =  A
  π

r  =  12
  3.1415926535898

r  =  3.4641016151378
  1.7724538509055

r = 1.9544100476117

Calculate circumference (C):

C = 2πr

C = 2π * 1.9544100476117

C = 3.9088π or 12.2799

Calculate diameter (d):

d = 2r

d = 2 * 1.9544100476117

d = 3.9088200952234

Final Answers


r = 1.9544100476117
C = 3.9088π or 12.2799
d = 3.9088200952234