# Answer to Question #4482 in Abstract Algebra for Auralina

Question #4482

Find each of the following for the circle.

Radius

Diameter

Circumference formula

Circumference of the circle

Radius

Diameter

Circumference formula

Circumference of the circle

Expert's answer

Note: please take radius as R

Radius:

radius is already given, it is R

Diameter

D = 2R

Circumference formula

C = pi*D

Circumference of the circle

Let's substitute found diameter into the previous formula:

C = pi*D = 2pi*R

Radius:

radius is already given, it is R

Diameter

D = 2R

Circumference formula

C = pi*D

Circumference of the circle

Let's substitute found diameter into the previous formula:

C = pi*D = 2pi*R

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