Question

4.4 circumference and area of a circle
what does pi represent?
the ration of the circumference to the diameter
the ratio of the radius to the circumference
the ratio of the circumference to the radius
the ratio of the diameter to the circumference

Explanation:

Pi ($\pi$) is defined as the ratio of a circle's circumference ($C$) to its diameter ($d$), i.e., $\pi=\frac{C}{d}$.

Answer:

the ration of the circumference to the diameter