Answer
Success!
r = 10
C = 20π or 62.8319
A = 100π or 314.1593
↓Steps Explained:↓
A circle has diameter = 20
Calculate Area, Circumference, Radius, Diameter
Calculate radius (r):
d = 2r
Rearranging the equation, we get:
r = 10
Calculate circumference (C):
C = 2πr
C = 2π * 10
C = 20π or 62.8319
Calculate Area (A):
A = πr2
A = π * 102
A = 100π or 314.1593
Final Answers
r =
10C =
20π or
62.8319A =
100π or
314.1593
Related Calculators:
Unit Circle |
Circle Equation |
Annulus