Which formula correctly describes the proportional relationship between the circumference of a circle and the diameter?
a. C/d = pi
b. C = pi/d
c. A = pi r^2
d. pi = d/C
1 answer
b. C = pi*d
a. C/d = pi
b. C = pi/d
c. A = pi r^2
d. pi = d/C
1 answer