l Circle area = 9
of a circle is
I want to calculate
Area
Circumference
Radius
Diameter
All
  

Answer
r = 1.6925687506433
C = 3.3851π or 10.6347
d = 3.3851375012865

↓Steps Explained:↓



A circle has area = 9

Calculate Area, Circumference, Radius, Diameter

Calculate radius (r):

A = πr2

Rearranging the equation, we get:

r2  =  A
  π

r  =  √A
  √π

r  =  √9
  √3.1415926535898

r  =  3
  1.7724538509055

r = 1.6925687506433

Calculate circumference (C):

C = 2πr

C = 2π * 1.6925687506433

C = 3.3851π or 10.6347

Calculate diameter (d):

d = 2r

d = 2 * 1.6925687506433

d = 3.3851375012865

Final Answers

r = 1.6925687506433
C = 3.3851π or 10.6347
d = 3.3851375012865

Related Calculators:  Unit Circle  |  Circle Equation  |  Annulus
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