Question

The circle formed by the blades of a fan has a circumference of fifty-six and four-sevenths inches. What is its diameter? Use twenty-two sevenths for pi.

Answer 1

Hint:

The circumference of any circle is

\[\Large C = \pi * d\]

where C is the circumference and d is the diameter

Since you're using \(\Large \frac{22}{7}\) for \(\Large \pi\), this means the formula becomes

\[\Large C = \frac{22}{7}d\]