Which of the following expressions correctly shows the relationship between the circumference and the area of a circle?
A. C=2πr
B. C/d=π
C. A=πr2
D. C2=4πA
1 answer
D. C2=4πA
A. C=2πr
B. C/d=π
C. A=πr2
D. C2=4πA
1 answer
1 answer
1 answer
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