of a circle is
I want to calculate
Area
Circumference
Radius
Diameter
All
  

A circle has radius = 13

Calculate Area, Circumference, Radius, Diameter

Calculate circumference (C):

C = 2πr

C = 2π * 13

C = 26π or 81.6814

Calculate diameter (d):

d = 2r

d = 2 * 13

d = 26

Calculate Area (A):

A = πr2

A = π * 132

A = 169π or 530.9292

Final Answers


C = 26π or 81.6814
d = 26
A = 169π or 530.9292