Which of the following expressions correctly shows the relationship between the circumference and they area of a circle?
a. C^2 = 4 pi A
b. A= pi r^2
c. C = 2 pi r
d. C/d = pi
1 answer
c. C = 2 pi r
a. C^2 = 4 pi A
b. A= pi r^2
c. C = 2 pi r
d. C/d = pi
1 answer
2 answers
1 answer
1 answer
2 answers