l Circle radius = 20
of a circle is
I want to calculate
Area
Circumference
Radius
Diameter
All
  

Answer
C = 40π or 125.6637
d = 40
A = 400π or 1256.6371

↓Steps Explained:↓



A circle has radius = 20

Calculate Area, Circumference, Radius, Diameter

Calculate circumference (C):

C = 2πr

C = 2π * 20

C = 40π or 125.6637

Calculate diameter (d):

d = 2r

d = 2 * 20

d = 40

Calculate Area (A):

A = πr2

A = π * 202

A = 400π or 1256.6371

Final Answers

C = 40π or 125.6637
d = 40
A = 400π or 1256.6371


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