Circle radius = 5

Crop Image

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Crop

A circle has radius = 5

Calculate Area, Circumference, Radius, Diameter

Calculate circumference (C):

C = 2πr

C = 2π * 5

C = 10π or 31.4159

Calculate diameter (d):

d = 2r

d = 2 * 5

d = 10

Calculate Area (A):

A = πr²

A = π * 5²

A = 25π or 78.5398

Final Answers