Answer
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C = 4π or 12.5664
d = 4
A = 4π or 12.5664
d = 4
A = 4π or 12.5664
↓Steps Explained:↓
A circle has radius = 2
Calculate Area, Circumference, Radius, Diameter
Calculate circumference (C):
C = 2πr
C = 2π * 2
C = 4π or 12.5664
Calculate diameter (d):
d = 2r
d = 2 * 2
d = 4
Calculate Area (A):
A = πr2
A = π * 22
A = 4π or 12.5664
Final Answers
C = 4π or 12.5664d = 4
A = 4π or 12.5664
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Related Calculators: Unit Circle | Circle Equation | Annulus