Which of the following is the correct formula for finding the area of a circle?
a. A = pi d
b. A = pi r ^2
c. A = 2 pi r
d. A = C^2 divided by 4 pi A = pi d^2
1 answer
b. A = pi r^2
a. A = pi d
b. A = pi r ^2
c. A = 2 pi r
d. A = C^2 divided by 4 pi A = pi d^2
1 answer