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Answer

↓Steps Explained:↓

A circle has radius = 3

Calculate Area, Circumference, Radius, Diameter

Calculate circumference (C):

C = 2πr

C = 2π * 3

C = 6π or 18.8496

Calculate diameter (d):

d = 2r

d = 2 * 3

d = 6

Calculate Area (A):

A = πr²

A = π * 3²

A = 9π or 28.2743

Final Answers