Answer
Success!
C = 6π or 18.8496
d = 6
A = 9π or 28.2743
↓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
C =
6π or
18.8496d =
6A =
9π or
28.2743
Related Calculators:
Unit Circle |
Circle Equation |
Annulus